English
hydrometeorology
From hydro- + meteorology.
A compound of hydro- + meteorology
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Proto-Indo-European *h₂wer- ‘to raise?’
…
Ancient Greek ἀείρω ‘to lift up, raise’
Ancient Greek μετά ‘beyond’
Ancient Greek μετέωρος ‘celestial phenomena’
Ancient Greek μετεωρολογία ‘treatise on celestial phenomena’
English meteorology
Today it means
noun The branch of meteorology that studies the occurrence, movement and changes of state of water in the atmosphere.
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrometeorology