English

hydroscience

From hydro- + science.

Proto-Indo-European *wed- ‘water’

Proto-Indo-European *wódr̥ ‘water’

Proto-Hellenic *údōr ‘water’

Ancient Greek ῡ̆̔́δωρ ‘water’

Latin sciō ‘to know’

Latin sciēns ‘knowing’

Latin scientia ‘knowledge’

Old French science ‘knowledge’

Middle English science ‘a science’

Today it means

noun The science and associated technology of water management

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

Etymograph / hydroscience