English

hydroaerodrome

From hydro- + aerodrome.

Proto-Indo-European *wed- ‘water’

Proto-Indo-European *wódr̥ ‘water’

Proto-Hellenic *údōr ‘water’

Ancient Greek ῡ̆̔́δωρ ‘water’

Ancient Greek ἀεροδρόμος ‘traversing the air’

Today it means

noun A seaplane, floatplane, or flying boat base.

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

Etymograph / hydroaerodrome