Etymograph

English

hydatid

Hydatid comes from Ancient Greek ὑδατίς ‘watery vesicle’, and goes back to ὕδατος.

  1. Ancient Greekc. 800–300 BCEὕδατος‘water’
  2. Ancient Greek, derivedc. 800–300 BCEὑδατίςhudatís‘watery vesicle’
  3. Englishearliest quotation 1820hydatid

attested reconstructed ? uncertain or disputed

Lineage

  1. Ancient Greekc. 800–300 BCEὕδατος‘water’
  2. Ancient Greek, derivedc. 800–300 BCEὑδατίςhudatís‘watery vesicle’
  3. Englishearliest quotation 1820hydatid

Earliest quotation: 1820, Percy Bysshe Shelley, Oedipus Tyrannus; Or: “Your sacred Majesty, he has the dropsy;— We shall…”

Today it means

noun A cyst due to infection by larvae of some species of the tapeworm Echinococcus.

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

Etymograph / Ancient Greek ὕδατος / hydatid