hydrodynamicist

Etymology tree Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Hellenic *údōr Ancient Greek ῡ̆̔́δωρ (hū̆́dōr) Ancient Greek ῠ̔δρο- (hŭdro-)der. English hydro- Proto-Indo-European *dewh₂-der. Proto-Hellenic *dunamai Ancient Greek δῠ́νᾰμαι (dŭ́nămai) Ancient Greek δύναμις (dúnamis) Proto-Indo-European *-kos Ancient Greek -κός (-kós) Ancient Greek -ικός (-ikós) Ancient Greek δῠνᾰμῐκός (dŭnămĭkós)lbor. French dynamiqueder. English dynamic English hydrodynamic Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ίζω (-ízō) Proto-Hellenic *-tās Ancient Greek -τής (-tḗs) Ancient Greek -ιστής (-istḗs)der. Latin -istader. Old French -istebor. Middle English -ist English -ist English hydrodynamicist From hydrodynamic + -ist.

来源：wiktionary