English
hydroxy
From hydro- + oxy.
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Today it means
adj Being, or containing a hydroxyl radical.
Language periods are conventional ranges, not dates for this word.
Etymograph / hydroxy