Etymograph

English

Hydra

Hydra comes from Ancient Greek ὕδρα ‘the constellation Hydra’, from Proto-Indo-European *údreh₂ ‘aquatic’, and ultimately from *wed- ‘water’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*wed-‘water’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*údreh₂‘aquatic’reconstructed
  3. Ancient Greekc. 800–300 BCEὕδραhúdra‘the constellation Hydra’
  4. Latinc. 75 BCE–200 CEHydra
  5. Englishearliest quotation 2021same form

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*wed-‘water’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*údreh₂‘aquatic’reconstructed
  3. Ancient Greekc. 800–300 BCEὕδραhúdra‘the constellation Hydra’
  4. Latinc. 75 BCE–200 CEHydra
  5. Englishearliest quotation 2021same form

Earliest quotation: 2021, A. K. Blakemore, The Manningtree Witches: “At night I lie dry-eyed on my little bed…”

Linked words

through Proto-Indo-European *wed- ‘water’

water, wet, wash, und, abundance, vodka, surround, abundant, redundant, otter, vitriol, hydro, vitreous, inundate, undine, aldehyde, hydride, vedra, 45 more

Today it means

name A mythological serpent with many heads, slain by Hercules as one of his twelve labours.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *wed- / Hydra