English

hydrotank

From hydro- + tank.

Formed from hydro- + tank

Proto-Indo-European *wed- ‘water’

Proto-Indo-European *wódr̥ ‘water’

Proto-Hellenic *údōr ‘water’

Ancient Greek ῡ̆̔́δωρ ‘water’

Portuguese tanque ‘tank, liquid container’

English tank

Today it means

noun A tank in which the patient is immersed in hydrotherapy.

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

Etymograph / hydrotank