Fact-checked by Grok 2 weeks ago

Phasis

Phasis was an ancient river and the Greek colony established at its mouth in the kingdom of Colchis, located on the eastern coast of the Black Sea in present-day western Georgia. The river, identified as the modern Rioni, originates in the Caucasus Mountains and flows 327 kilometers westward, emptying into the Black Sea via a marshy delta near the city of Poti.^[1]^[2] The city of Phasis, founded as a colony of Miletus around the mid-6th century BCE by the oecist Themistagoras, functioned as a vital port and trading entrepôt for goods such as grain, metals, timber, and slaves, facilitating exchange between Greek merchants and local Colchian populations.^[1]^[3] In ancient Greek and Roman literature, Phasis held prominent geographical and mythical significance, often marking the boundary between Europe and Asia and serving as the endpoint of the Argonauts' quest for the Golden Fleece in Colchis.^[2] Sources like Herodotus, Strabo, and Apollonius of Rhodes describe the river as navigable for about 180 stadia inland and noted for its pheasants (the "Phasian birds"), which derive their name from the river, though other etymologies link it to local Georgian terms, such as the name of the region "Poti," meaning "port."^[1]^[2]^[3] The city thrived through the Hellenistic period, with peaceful coexistence and cultural assimilation between Greek settlers and indigenous Colchians, and persisted into Roman times as a fortified settlement under Emperor Hadrian, before transitioning into a Byzantine outpost.^[3]^[1] Archaeological evidence for Phasis remains elusive due to geomorphological changes, including river migration, tectonic subsidence, and sea-level rise, which have submerged or buried much of the ancient site beneath the modern Paliastomi Lake or alluvial deposits east of Poti.^[4] Excavations at nearby sites like Kulevi and Sagvichio have uncovered 6th–4th century BCE Greek imports, such as Ionian pottery and Chian amphorae, alongside local metallurgy remains and ritual artifacts dating back to the 2nd millennium BCE, suggesting continuous occupation but no definitive classical Greek layers yet identified for the city itself.^[4]^[3] Ongoing geoarchaeological research highlights the site's vulnerability to environmental shifts, complicating precise location but underscoring Phasis's role in Black Sea intercultural dynamics.^[4] The name "Phasis" also appears in ancient mythology as a river deity and in etymology and modern scientific terminology, particularly in biology.

Ancient Geography and History

The Phasis River

The Phasis River, known in antiquity as a major waterway of the Colchian region, originates in the Caucasus Mountains at an elevation of 2,960 meters on Pasa Mountain and flows westward for 327 kilometers before emptying into the Black Sea near the modern port of Poti in Georgia.^[5] Its drainage basin spans approximately 13,400 square kilometers, encompassing diverse terrain from mountainous headwaters to lowland plains, and it receives major tributaries such as the Qvirila and Tskhenistsqali from the left bank and the Tekhuri from the right.^[6] The river courses through the heart of ancient Colchis, passing the city of Kutaisi, and its delta features shifting wetlands that have long influenced regional hydrology.^[7] In ancient Greek literature, the Phasis was first referenced by Hesiod around 700 BC in his Theogony (line 340), marking it as a significant eastern boundary of the known world.^[8] Plato alluded to it in the Phaedo as the eastern limit of the inhabited region alongside the Pillars of Heracles to the west, underscoring its role in early geographic conceptions.^[9] Herodotus and Anaximander regarded the Phasis as the dividing line between Europe to the north and Asia to the south, a demarcation that shaped classical cartography.^[10] Ancient accounts described the river as navigable for about 180 stadia inland and serving as a vital artery for trade and exploration in the Colchis kingdom, notably in the legend of the Argonauts' voyage to retrieve the Golden Fleece.^[2] The river's mouth hosted the ancient city of Phasis, a key Greek colony. Today, the Phasis is identified with the Rioni River, Georgia's longest waterway entirely within its borders, supporting agriculture, hydropower, and transportation in western Georgia. In the 1960s, Soviet-era reclamation projects drained extensive Colchian wetlands along its lower course to expand arable land for rice and citrus cultivation, significantly altering the delta's ecosystem.^[11] These changes, combined with reduced sediment deposition since the mid-20th century due to upstream damming, have led to coastal erosion and increased flood vulnerability in the delta region.^[11] The river's name also etymologically links to the common pheasant (Phasianus colchicus), native to Colchian marshes, with "pheasant" deriving from the Greek phasianos meaning "of the Phasis," reflecting its historical avifauna.^[12]

The Ancient City of Phasis

The ancient city of Phasis was established as a Greek colony by settlers from Miletus in the 6th century BC, with ancient sources attributing its founding to the oecist Themistagoras around 550 BC.^[13]^[4] Positioned at the mouth of the Phasis River in the kingdom of Colchis, the settlement featured a mixed population of Hellenic colonists and local Colchians, fostering cultural exchange. As a vital trade hub, Phasis facilitated commerce in goods such as grain, metals, timber, and slaves, connecting Greek merchants to Colchian resources and broader Black Sea networks.^[3]^[14] Its strategic port role made it a key outpost for Greek merchants, contributing to Colchis's prosperity during the Archaic and Classical periods.^[3] Phasis played a significant role in major historical conflicts, marking its transition from a Hellenistic trading center to a contested frontier under Roman and later Byzantine control. By Hadrian's reign (117–138 CE), it served as a fortified Roman settlement with a nearby civilian population.^[1] During the Third Mithridatic War in 65 BC, Roman general Pompey reached the city after pursuing Mithridates VI, where he met his admiral Servilius Vatia and coordinated naval operations in the Euxine Sea.^[15] The city came under Roman influence following Pompey's conquests, integrating into the broader imperial network. In the 6th century AD, during the Lazic War (542–562 AD), Phasis endured a prolonged Persian siege from 555 to 556 AD led by General Nachoragan, but Byzantine defenders, bolstered by local Lazic allies, repelled the attackers through deception and fortifications, securing the city's hold.^[16] This event underscored Phasis's enduring military importance, after which it transitioned into the early medieval period under Byzantine administration, with continued occupation until at least the 7th century AD.^[4] Archaeological efforts to locate and excavate Phasis face significant challenges due to geomorphological shifts, including river silting, coastal subsidence, and partial submersion from tectonic activity and sea-level changes. The city's precise site remains debated, with potential locations near modern Poti in western Georgia, including areas south of Lake Paliastomi, the Najikhuri settlement, and the inland Sagvichio site approximately 17 km east of the coast.^[4]^[17] Excavations at Sagvichio have uncovered early Greek pottery such as kylikes, skyphoi, and amphorae from the 6th–5th centuries BC, alongside local Colchian artifacts like bronze tools and burial goods, indicating the mixed cultural layers of the colony.^[4] At Najikhuri, digs since 1952 revealed Byzantine-era amphorae, pottery, and structures from the 1st–8th centuries AD, while surveys near Lake Paliastomi have identified submerged settlements with Hellenistic and Roman remains, complicated by ongoing erosion and flooding.^[4] These findings highlight Phasis's evolution as an important Colchian port, famously associated in Greek literature with the voyage of Jason and the Argonauts seeking the Golden Fleece.^[3]

Associated Jurisdictions and Sites

In the Roman period, Phasis functioned as a castrum, a fortified military camp, serving as a strategic outpost in the eastern Black Sea region. During the Byzantine era, it evolved into a key defensive site within the Kingdom of Lazica, particularly during the Lazic War (541–562 AD) against the Sasanian Empire. Procopius of Caesarea describes how Byzantine forces under generals Dagistheus and Sittas reinforced Phasis with walls, towers, and a garrison, successfully repelling a major Persian siege in 555–556 through deception tactics involving feigned retreats and alliances with Lazic king Gubazes II. This role underscored Phasis's importance in Byzantine efforts to secure Caucasian passes and counter Persian expansion eastward.^[18] Ecclesiastically, Phasis emerged as a significant Christian center, with its diocese reflecting the early spread of Christianity in Lazica. Bishop Cyrus, who held the see until 631 AD, exemplified this prominence; appointed by Emperor Heraclius, he later became Patriarch of Alexandria (630–641 AD) and the last Byzantine prefect of Egypt, where he enforced Chalcedonian orthodoxy amid religious tensions.^[19] The site's ties to the autocephalous Georgian Orthodox Church, granted independence around 460–470 AD, integrated Phasis into the broader eastern Christian framework, supporting missionary activities and doctrinal alignment in the Caucasus.^[20] Related archaeological sites extend Phasis's influence across the Colchis lowlands, where surveys have uncovered Colchian-Greek hybrid settlements featuring pottery, fortifications, and trade artifacts from the Hellenistic to Byzantine periods. The ancient city is tentatively identified with subsurface remains east of modern Poti, Georgia's primary Black Sea port and functional successor, buried under up to 12 meters of alluvial sediment from the Rioni River delta. Nearby sites, such as the Roman castrum at Gonio (ancient Apsaros) and the Greek colony at Sukhumi (ancient Dioscurias), formed a networked jurisdiction of ports and outposts, facilitating regional connectivity.^[21]^[22]^[23] In the medieval period, Phasis contributed to Lazica's trade jurisdictions, acting as an entrepôt for exports of leather, furs, raw materials, and slaves to Pontus and the Bosporus Kingdom, while importing wine, olive oil, and luxury goods via Black Sea routes. This commerce bolstered Lazica's economic ties to Byzantine networks until environmental and military pressures led to the site's decline. By the 8th century AD, progressive silting of the Phasis River delta rendered the harbor unusable, compounding disruptions from Arab invasions that overran Lazica around 737–738 AD under Marwan II.^[17]^[21]

Mythology and Literature

Phasis as a River Deity

In Greek mythology, Phasis was personified as a male river deity, one of the Potamoi, the gods who presided over the world's rivers. As the embodiment of the Phasis River in Colchis at the eastern end of the Black Sea, he was regarded as a son of the Titans Oceanus and Tethys, who together begot numerous river-gods and Oceanids.^[24] This genealogy underscores his ancient, primordial origins within the cosmic family of water deities, positioning him as a foundational figure in the hydrological pantheon. Phasis was the father of the Nymphai Phaseides, the Naiad nymphs associated with the streams and marshes of his river, who embodied its fertile and watery aspects.^[25] Depicted in ancient art and literature as a powerful oceanic river-god with a grim countenance, thick hair, and a bristling beard, Phasis symbolized the mighty boundary between Europe and Asia, his flooding waters evoking both abundance and peril.^[26] Culturally, Phasis represented the exotic frontiers of the eastern Black Sea region, marking the edge of the known Greek world and evoking the mysteries of distant lands. As a Potamoi deity, he was invoked in prayers by sailors and travelers seeking safe passage along his waters and into the broader Pontic realm.^[27]

References in Ancient Literature

In ancient Greek literature, the Phasis River first appears in Hesiod's Theogony (c. 700 BC), where it is enumerated among the numerous river-gods born to Oceanus and Tethys, symbolizing its integration into the cosmological framework of divine waters that encircle and nourish the earth.^[28] This brief mention establishes Phasis as a potentia divina, flowing from the eastern extremities and contributing to the poetic catalog of global hydrology. Herodotus, in his Histories (5th century BC), references the Phasis as a geographical marker delineating the boundary between Europe and Asia, particularly in Book 4, where he critiques arbitrary continental divisions but affirms its role in Scythian and Colchian contexts as a natural frontier amid discussions of Persian expeditions and ethnic distributions.^[29] Similarly, Aeschylus evokes the river's flow in Prometheus Bound (c. 460 BC), lines 788 ff., as part of Io's prophesied wanderings toward the Gorgonean plains of Cisthene and the Phasis River, portraying it as a rugged eastern limit in the Titan's prophetic geography of exile and transformation.^[30] The Phasis features prominently in epic narratives of mythic quests. In Apollonius Rhodius' Argonautica (3rd century BC), the river serves as the climactic destination for Jason and the Argonauts' voyage to retrieve the Golden Fleece from Colchis, with Books 2 and 4 detailing their arduous navigation up its waters, encounters with local deities, and the pursuit of the nymph Aea, who aids in the fleece's acquisition; this portrayal underscores the river's symbolic gateway to exotic, perilous realms at the edge of the known world.^[31] Valerius Flaccus' Latin adaptation, Argonautica (1st century AD), echoes this in Books 5–8, where the Phasis frames the heroes' arrival and conflicts with King Aeëtes, emphasizing themes of imperial ambition and divine intervention, though the poem remains unfinished at their return.^[32] Other texts invoke the Phasis in broader cosmological and artistic contexts. Plato's Phaedo (4th century BC) alludes to it at 109a–b in a mythological description of the earth's structure, naming the inhabited region extending from the Phasis to the Pillars of Heracles as one of several hollows on the earth's surface.^[33] In Philostratus the Younger's Imagines (3rd century AD), description 11 depicts the river in an ekphrastic scene of the Argo's anchoring: the Phasis is personified as a recumbent god with flowing beard and horn, welcoming the heroes amid Colchian landscapes, blending mythic narrative with visual symbolism to evoke the river's hospitable yet formidable presence.^[26] Throughout these works, the Phasis symbolizes the frontier of Greek exploration, representing both a physical barrier to eastern mysteries and a mythic conduit for heroic endeavors, as seen in its role as the endpoint of the Argonauts' odyssey and a divider in ethnographic mappings.^[34]

Linguistics and Etymology

Origin of the Name Phasis

The name Phasis (Ancient Greek: Φᾶσις) for the river in ancient Colchis is first attested in Hesiod's Theogony (c. 700 BC), where it appears in a catalog of rivers born from the Titans Oceanus and Tethys, marking its early recognition in Greek literature as a significant eastern waterway.^[27] This reference establishes Phasis as a hydronym known to Archaic Greek poets, though its precise geographical identification with the modern Rioni River solidified in later Classical texts such as those of Herodotus and Pindar.^[35] The etymology of Phasis is widely regarded as pre-Greek, originating from the indigenous languages of the Colchian region rather than Indo-European roots. Linguists connect it to Proto-Kartvelian (Proto-Georgian-Zan) forms such as Poti, which underlies the modern Georgian toponym Poti (the ancient port near the river's mouth), suggesting a local substrate term adapted by Greek settlers.^[3] The Colchian language, classified as Kartvelian and spoken by the pre-Hellenistic inhabitants of western Georgia, likely provided this hydronym, with possible parallels in Svan pasid indicating broader Caucasian linguistic influences. While some proposals invoke Semitic elements due to ancient trade contacts in the Black Sea area, these remain unverified and marginal compared to the Kartvelian hypothesis.^[17] A proposed derivation links Phasis to a local Colchian term for "water," Hellenized to reflect the river's role in the marshy, navigable estuary and its integration with the Black Sea, emphasizing the hydrological centrality of the region.^[3] Although the form resembles the Greek noun phásis (φάσις, meaning "appearance," "manifestation," or "phase"), no ancient sources attribute the river's name to this root, and scholars dismiss such a connection as coincidental, favoring the non-Greek origin instead.^[35] One notable derivation from Phasis entered Latin as Phasianus, denoting birds native to the Colchian river valley, which evolved into the English "pheasant" for the game bird Phasianus colchicus.^[12] This linguistic borrowing highlights the name's association with the local fauna and the river's ecological prominence in ancient trade and natural history descriptions.

The English Term "Phasis"

In English, "phasis" functions as an archaic or technical noun referring to a manner, stage, or aspect of being, akin to a phase or appearance.^[36]^[37] This usage emerged prominently in 17th- to 19th-century literature, particularly in philosophical and rhetorical discussions of phenomena's multifaceted nature.^[38] The term entered English between 1650 and 1660, borrowed from New Latin phasis, which stems directly from Ancient Greek φάσις (phásis), denoting "appearance" or "manifestation."^[37]^[39] Its plural form is phases.^[36] A notable example appears in Thomas Carlyle's 1841 On Heroes, Hero-Worship, and the Heroic in History, where he describes the "religious phasis of the matter" in analyzing hero-worship as a form of divine reverence.^[40] Though once employed to convey nuanced aspects in intellectual discourse, "phasis" has become rare in contemporary English, largely replaced by the more versatile "phase."^[39]^[38]

Biology and Scientific Usage

Phasis in Ornithology

The name "Phasis" is directly linked to biological nomenclature through the bird family Phasianidae, which encompasses pheasants, partridges, grouse, turkeys, and related species. The family name derives from the ancient Greek word φασιανός (phasiānós), meaning "(bird) of the Phasis," referring to the river in Colchis where pheasants were believed to originate.^[12] In ancient Greek sources, such as Aristophanes' Birds and Aristotle's History of Animals, the Phasian birds (φασιανοί ὄρνιθες) are described as colorful fowl from the region of Phasis, prized for their plumage and introduced to Greece around the 6th century BCE. This association led to the genus Phasianus for the common pheasant (Phasianus colchicus), with "colchicus" denoting its Colchian origin. Modern taxonomy places over 150 species in Phasianidae, distributed across Eurasia, North America, and introduced elsewhere, characterized by ground-dwelling habits, strong legs, and often ornate males. The etymology underscores the historical role of the Phasis region in early ornithological knowledge and trade.^[41] No rewrite necessary for unrelated scientific usages of homonymous terms like "phasis" (appearance) in cell biology, as they stem from a distinct Greek root (φαίνω, "to appear") and do not pertain to the geographical Phasis.

References

[1]
Phasis | Oxford Classical Dictionary
The ancient river Phasis is the modern Rioni, with its tributary the Quirila, which traverses the lowland of Colchis and joins the Black (Euxine) Sea at the ...
[2]
[PDF] THE RIVERS CALLED PHASIS*
The River Phasis is a case study, with mythical, poetical, and historiographical representations, and is associated with the Golden Fleece and the Argonauts.
[3]
Phasis - Εγκυκλοπαίδεια Μείζονος Ελληνισμού, Εύξεινος Πόντος
Phasis, the modern city of Poti, was a colony of Miletus on the estuary of the Phasis River (now Rioni), western Georgia. It was possibly founded in the 7th or ...
[4]
Geoarchaeology of Phasis (Georgia) - OpenEdition Journals
The early city of Phasis was situated on the Northern bank of the river Phasis (Pichori), though at a particular time the city appeared to be South of the river ...
[5]
[PDF] The Natural Remarkable Monuments Create by Geodinamical ...
The length of River Rioni is 327 km and the area of the basin is 13,400 cubic kilometers. It starts from. Pasa Mountain (South Part of Caucasus), 2,960 ...
[6]
irrigation and water supply recommendation scheme in rioni river ...
Mar 13, 2021 · One of them is the Rioni River basin, whose area is 13,000 km2 with up to 700 rivers. ... To this are added the tributaries, which ...
[7]
Coastal lowland and floodplain evolution along the lower reaches of ...
Jul 24, 2019 · Due to continued fluvial sediment supply, mainly from the Rioni, the lagoon silted up and extended peat bogs formed east of the beach ridge ...
[8]
Phasis, river, the modern Rioni in Georgia - ToposText
And at night, by the skill of Argus, they reached broad-flowing Phasis, and the utmost bourne of the sea. -1000. Apollonius Rhodius, Argonautica, §2.1262 these ...Missing: significance | Show results with:significance
[9]
Plato, Phaedo, trans. Jowett - The Center for Hellenic Studies
“Also I believe that the earth is very vast, and that we who dwell in the region extending from the river Phasis to the Pillars of Hēraklēs, [109b] along ...
[10]
How Is The Border Between Europe And Asia Defined? - World Atlas
The boundary between Asia and Europe was placed along the Phasis River by Anaximandar. The convention was also followed by the Herodotus in the 5th BC.Missing: Anaximander | Show results with:Anaximander
[11]
[PDF] Impacts of climate change on Georgia's coastal zone
This zone is home to valuable river deltas, coastal crops, forestry ... Deposition of solid sediments in River Rioni's underwater canyon stopped 70 years ago, ...
[12]
Pheasant - Etymology, Origin & Meaning
Originating from Greek phasianos via Latin and Old French, "pheasant" means a well-known game bird long domesticated in Europe, named after the Phasis river ...Missing: colchicus | Show results with:colchicus
[13]
The Dates and Mother Cities of the Black Sea Colonies (Pseudo ...
1. Phanagoria : 'which they say Teians once founded/ (885-6) · 2. Kepos : 'founded by the Milesians'. · 3. Tomoi : 'colony of the Milesians, surrounded by ...
[14]
Poti - once a Greek colony in today's Georgia - Alaturka.Info
Sep 23, 2018 · A Greek colony, founded by merchants and repatriates, was located since the early 6th century BC, called the ancient city of Phasis.
[15]
Eastern trade during the Hellenic and Roman periods and the ...
Phasis was another trade hub where Chinese and Indian goods were stored. Situated on the southeastern Black Sea coast, it was the westernmost point of the road, ...<|control11|><|separator|>
[16]
Siege of Phasis - Rome vs Persia - Byzantine Military
Apr 4, 2013 · The Siege of Phasis took place in 555–556 during the Lazic War between the Eastern Roman Empire and Sassanid Persia.
[17]
(PDF) Phasis -the problem of location. - Academia.edu
The decision of Miles ian Greeks to esta blish a colony near the biggest river of Colchis, Phasis, was log ica l. However, geomorphology Black Sea level changes ...
[18]
[PDF] Lazian Army of the Lazic War (541-562 CE) - GIPA
Abstract: Lazic War (541-562 CE) is one of the largest conflicts ever happened in the Caucasus, between the most powerful empires of late antiquity – Byzantine ...Missing: 555 scholarly
[19]
[PDF] CYRUS AL-MUQAWQAS, Byzantine bishop of Phasis in the
CYRUS AL-MUQAWQAS, Byzantine bishop of Phasis in the region of the Caucasus until 631, when Emperor Heraclius decided to assign him the more important ...
[20]
The Orthodox Church in South Ossetia and Abkhazia - jstor
Mar 30, 2014 · Church, granted the Georgian church autocephaly around 460-470, around the same period that the western Georgian state of Kolkheti adopted ...
[21]
[PDF] Colchis-Coskun2020.pdf
9 The site of Phasis City is generally expected to be somewhere east of modern Poti, buried under layers of up to 12 metres of alluvial sand: Tsetskhladze ...
[22]
Phasis and its Landscape: Preliminary Report of the Archaeological ...
This paper reviews the historical and archaeological evidence for the location of ancient Phasis and outlines current landscape investigations.
[23]
Greek Colonization of the Eastern Black Sea Littoral (Colchis) - Persée
The earliest signs of material culture have been recorded approximately 20 kilometres east of Poti. Furthermore the age of the archaeological finds is "younger" ...Missing: Godin | Show results with:Godin
[24]
Kingdom of Lazica - History Maps
The kingdom engaged in active trade with Pontus and Bosporus (in Crimea), exporting leather, fur, other raw materials, and slaves. In return, Lazica imported ...
[25]
Abkhazia and the Arab Caliphate in the First Half of the 8th Century ...
Oct 28, 2025 · ... Arab invasions, now it was the turn of Lazica itself. 'The appearance of a strong enemy on the eastern borders of Lazica and the political ...
[26]
https://www.theoi.com/Text/PhilostratusYounger.html
[27]
PHASEIDES - Colchian Naiad Nymphs of Greek Mythology
In Greek mythology the Phaseides were the Naiad-nymphs of the streams and marshes of the river Phasis in Colchis on the Black Sea.
[28]
ASTERODEIA - Colchian Naiad Nymph of Greek Mythology
... Asterodeia's name was derived from the Greek words astêr (star) and rhodos ... Perhaps a daughter of the River PHASIS. OFFSPRING. APSYRTOS (by Aeetes) ...
[29]
PHILOSTRATUS THE YOUNGER, IMAGINES 1-9 - Theoi Classical ...
He was the author of a work entitled the Imagines (or Images), a collection of seventeen short essays describing mostly myth-themed paintings in poetic detail.
[30]
PHASIS - Colchian River-God of Greek Mythology
In Greek mythology Phasis was a river-god of Colchis at the easternmost end of the Black Sea (modern day Georgia). The Phasis River had its headwaters in ...Missing: Rioni geography historical significance<|control11|><|separator|>
[31]
http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.01.0225%3Abook%3D2%3Acard%3D416
[32]
https://www.theoi.com/Text/ValeriusFlaccus5.html
[33]
http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.01.0162%3Atext%3DPhaedo%3Asection%3D109a
[34]
http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.01.0126%3Abook%3D4%3Achapter%3D37
[35]
VALERIUS FLACCUS, ARGONAUTICA BOOK 5
Ah! how far now has Aea, how far has Phasis drawn away! Yet even now, if thought survives in a frail ghost, be present, I pray, a shade that foreknows ...
[36]
https://www.merriam-webster.com/dictionary/phasis
[37]
https://www.dictionary.com/browse/phasis
[38]
[PDF] The Rivers Called 'Phasis' - HAL-SHS
Aug 29, 2022 · In this sense, the Rioni, which was never explicitly associated with the Phasis in antiquity, triumphed over the South Caucasian rivers (Aras, ...
[39]
PHASIS Definition & Meaning - Merriam-Webster
The meaning of PHASIS is phase. How to use phasis in a sentence ... Word History. Etymology. New Latin. The Ultimate Dictionary Awaits. Expand your vocabulary ...
[40]
PHASIS Definition & Meaning - Dictionary.com
Word History and Origins. Origin of phasis. 1650–60; < New Latin < Greek phásis appearance, equivalent to pha- (base of phaínein to show) + -sis -sis.
[41]
phasis, n. meanings, etymology and more | Oxford English Dictionary
phasis is of multiple origins. Either (i) a borrowing from Latin. Or (ii) a borrowing from Greek. Etymons: Latin phasis; Greek ϕάσις.Missing: scholarly | Show results with:scholarly<|control11|><|separator|>
[42]
Phase - Etymology, Origin & Meaning
From Greek phasis "appearance," phase means a stage in a recurring sequence (moon, planets). Originates 1705; also verb from 1895, meaning to synchronize or ...
[43]
On Heroes, Hero-worship, and the Heroic in History
The Hero is not now regarded as a God among his fellowmen; but as one God-inspired, as a Prophet. It is the second phasis of Hero-worship: the first or oldest, ...
[44]
Prophase - Definition and Examples - Biology Online Dictionary
Jun 11, 2022 · Etymology of prophase Prophase is derived from two different Greek words. The first ancient Greek word “προ”, which is synonymous with the ...Prophase Definition · Prophase in Mitosis · Prophase in Meiosis
[45]
Anaphase Definition and Examples - Biology Online Dictionary
Jun 3, 2022 · Anaphase, etymologically, is derived from two Greek words, where 'ana' means 'backward' and 'phasis' means 'appearance'.Anaphase Definition · Anaphase in Mitosis · Anaphase in Meiosis · Anaphase II
[46]
Metaphase - Stages of Mitosis - Online Biology Dictionary
Etymology: The name of this stage of mitosis is derived from two Greek words, meta, meaning "after," "later" or "more advanced," and phasis, meaning "stage."
[47]
Telophase - Etymology, Origin & Meaning
1895 in cytology, "final phase of mitosis," from Greek telo-, combining form of telos "the end, fulfillment, completion" (see telos) + phase (n.).
[48]
WWW.Cell Biology Education | CBE—Life Sciences Education
Oct 13, 2017 · Who created the names “prophase,” “metaphase,” “anaphase,” and “telophase?” Sir Henry Harris, a pathologist from the University of Oxford, ...Missing: etymology | Show results with:etymology
[49]
Phase polymorphism | biology - Britannica
A discontinuous variation with several classes, none of which is very small, is known as a polymorphic variation. The separation of most higher organisms into ...
[50]
phasic, adj. meanings, etymology and more | Oxford English Dictionary
OED's earliest evidence for phasic is from 1890, in Chambers's Journal. phasic is formed within English, by derivation. Etymons: phase n.2, ‑ic ...
[51]
PHASIC Definition & Meaning | Merriam-Webster Medical
1. of, relating to, or of the nature of a phase : having phases 2. reacting rapidly and strongly to a stimulus but quickly adapting and having a short period ...
[52]
https://www.nature.com/scitable/topicpage/mitosis-and-cell-division-205/
[53]
Genetics, Meiosis - StatPearls - NCBI Bookshelf - NIH
Prophase: The nuclear envelope breaks down. · Metaphase: The chromosomes line up along the metaphase plate. · Anaphase: Chromatids separate and are pulled by ...
[54]
https://www.visionlearning.com/en/library/Biology/2/Cell-Division-II/212
[55]
Meiosis | Cell division | Biology (article) - Khan Academy
In each round of division, cells go through four stages: prophase, metaphase, anaphase, and telophase.
[56]
What is meiosis? | Stages of meiosis with diagram - Your Genome
Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information.
[57]
A Journey through Time on the Discovery of Cell Cycle Regulation
Feb 17, 2022 · In 1882, Walther Flemming, after developing methods to stain cells that revealed subcellular structures, was the first to draw different stages ...Missing: telophase | Show results with:telophase
[58]
Walther Flemming: pioneer of mitosis research - Nature
The German anatomist Walther Flemming began his pioneering studies of mitosis almost 150 years ago. What were his achievements, and where have his ...