Etymograph

English

hydropolyp

From hydro- + polyp.

Formed from hydro- + polyp

Proto-Indo-European *wed- ‘water’

Proto-Indo-European *wódr̥ ‘water’

Proto-Hellenic *údōr ‘water’

Ancient Greek ῡ̆̔́δωρ ‘water’

English hydro-

Ancient Greek πολύπους ‘octopus, polypus’

Latin polypus ‘a polyp, a polypus in the nose’

English polyp

Today it means

noun The polyp of a hydrozoan

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

Etymograph / hydropolyp