English
hydrobious
Analyzable as hydro- + -obe + -ious.
Formed from hydro- + -obe + -ious
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Today it means
adj Adapted to living or dwelling in water, or in the vicinity of water; dependent upon a water environment for survival; aquatic.
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrobious