hydro-

The story

1. Proto-Indo-European*wed-
2. Proto-Indo-European*wódr̥
3. Proto-Hellenic*údōr
4. Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
5. Ancient Greekῠ̔δρο- (hŭdro-)
6. English todayhydro-

Learned borrowing from Ancient Greek ῠ̔δρο- (hŭdro-), from ῡ̆̔́δωρ (hū̆́dōr, “water”), from Proto-Hellenic *údōr, from Proto-Indo-European *wódr̥, from *wed- + *-r̥.

Words from the same roots