English
eyebright
Compound of eye (noun) + bright (verb).
Proto-Indo-European *h₃ekʷ- ‘eye’
Proto-Germanic *augô
Proto-West Germanic *augā
Old English ēage
Middle English e
English eye
Proto-Indo-European *bʰerHǵ- ‘to gleam’
Proto-Germanic *berhtaz ‘bright, shining’
Proto-West Germanic *berht ‘bright’
Old English beorht ‘bright, clear’
Middle English bright
English bright
Today it means
noun Any of the flowering plants of the genus Euphrasia, originally as used to treat eye infections.
Language periods are conventional ranges, not dates for this word.
Etymograph / eyebright