English
hydrophysical
From hydro- + physical.
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Proto-Indo-European *bʰuH- ‘to appear, become’
…
Ancient Greek φυσικός ‘natural; physical’
Ancient Greek φυσική
Latin physica ‘study of nature’
Late Latin physicālis
English physical
Today it means
adj Relating to the physical movement of water resources
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrophysical