English

hydroglider

From hydro- + glider.

Proto-Indo-European *wed- ‘water’

Proto-Indo-European *wódr̥ ‘water’

Proto-Hellenic *údōr ‘water’

Ancient Greek ῡ̆̔́δωρ ‘water’

Middle English glider

Today it means

noun A kind of boat driven by an air propeller.

Language periods are conventional ranges, not dates for this word.

Etymograph / hydroglider