ὕδωρ

• οὕδωρ (hoúdōr) — Boeotian

From Proto-Hellenic *údōr, from Proto-Indo-European *wódr̥ (genitive *wednós (“of water”)), with ω (ō) from the plural), from the root *wed- (whence also ὕω (húō, “to water, to let rain, to rain”)). Cognates include Latin unda, Sanskrit उदन् (udán), Hittite 𒉿𒀀𒋻 (wa-a-tar /⁠wātar⁠/), Old Armenian գետ (get, “river”), Gothic 𐍅𐌰𐍄𐍉 (watō), Old Church Slavonic вода (voda), Old English wæter (English water), and Albanian ujë.

ῠ̔́δωρ • (húdōr) n (genitive ῠ̔́δᾰτος); third declension

1. water
2. rainwater, rain
3. sweat
4. time (from the waterclocks of Greek legal systems)
5. generally, liquid

The first upsilon is sometimes lengthened in poetry for the sake of meter:

• 800 BCE – 600 BCE, Homer, Odyssey 1.110:

  οἱ μὲν ἄρ’ οἶνον ἔμισγον ἐνὶ κρητῆρσι καὶ ῡ̔́δωρ,

  hoi mèn ár’ oînon émisgon enì krētêrsi kaì hū́dōr,

  some were mixing wine and water in mixing bowls,

• 800 BCE – 600 BCE, Homer, Odyssey 4.216:

  ὣς ἔφατ’, Ἀσφαλίων δ’ ἄρ ῠ̔́δωρ ἐπὶ χεῖρας ἔχευεν,

  hṑs éphat’, Asphalíōn d’ ár húdōr epì kheîras ékheuen,

  So [Menelaus] said, and Asphalion poured water on their hands,

Lua error: attempt to perform arithmetic on local 'h' (a nil value) Lua error: attempt to perform arithmetic on local 'h' (a nil value)

• ὕω (húō)

• Greek: ύδωρ (ýdor), υδρο- (ydro-), υδρό- (ydró-), υδρ- (ydr-)
• Tsakonian: ύο (ýo)
• → English: hydro-
• → French: hydro-

• “ὕδωρ”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
• “ὕδωρ”, in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
• ὕδωρ in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
• Bauer, Walter et al. (2001) A Greek–English Lexicon of the New Testament and Other Early Christian Literature, Third edition, Chicago: University of Chicago Press
• ὕδωρ in Cunliffe, Richard J. (1924) A Lexicon of the Homeric Dialect: Expanded Edition, Norman: University of Oklahoma Press, published 1963
• “ὕδωρ”, in Slater, William J. (1969) Lexicon to Pindar, Berlin: Walter de Gruyter
• G5204 in Strong, James (1979) Strong’s Exhaustive Concordance to the Bible
• Woodhouse, S. C. (1910) English–Greek Dictionary: A Vocabulary of the Attic Language‎, London: Routledge & Kegan Paul Limited.
  • fall idem, page 303.
  • rain idem, page 669.
  • shower idem, page 770.
  • slosh idem, page 785.
  • water idem, page 967.
• ὕδωρ - ΛΟΓΕΙΟΝ (since 2011) Dictionaries for Ancient Greek and Latin (in English, French, Spanish, German, Dutch) University of Chicago.