English
hydroflight
From hydro- + flight.
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Proto-Indo-European *plewk- ‘to fly’
Proto-Germanic *fleuganą ‘to fly’
Proto-West Germanic *fluhti ‘flight’
Old English flyht ‘flight’
Middle English flight
English flight
Today it means
noun A method of tethered flight using an umbilicus to provide power and reaction mass via a hydrojet supplied from a surface pump on a body of water.
Language periods are conventional ranges, not dates for this word.
Etymograph / hydroflight