English
hydrogravitational
From hydro- + gravitational.
Formed from hydro- + gravitational
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Today it means
adj Describing the interaction of gravity and the movement of fluids (such as astronomical plasmas)
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrogravitational