The story
- Proto-Indo-European*wed-
- Proto-Indo-European*wódr̥
- Proto-Hellenic*údōr
- Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
- Ancient Greekῠ̔δρο- (hŭdro-)
- Englishhydro-
- Proto-Indo-European*dewh₂-
- Proto-Hellenic*dunamai
- Ancient Greekδῠ́νᾰμαι (dŭ́nămai)
- Ancient Greekδύναμις (dúnamis)
- Ancient Greekδυναμικός (dunamikós)
- Frenchdynamique
- Englishdynamic
- Englishhydrodynamic
- English todayhydrodynamicist
From hydrodynamic + -ist.
Etymology from Wiktionary, CC BY-SA 4.0.