Where does “hydro-” come from?

hydro- (Translingual) comes from Ancient Greek ὑδρο-, from Ancient Greek ὕδωρ, from Proto-Hellenic *údōr — water.

Ancestry of “hydro-”, step by step

StepLanguageWordMeaning
1Ancient Greekὑδρο-hydro-, water; water
2Ancient Greekὕδωρwater; rainwater, rain; sweat
3Proto-Hellenic*údōrwater

Words derived from “hydro-”

Every word from Proto-Hellenic *údōr →Every word from Ancient Greek ὕδωρ →Every word from Ancient Greek ὑδρο- →