English
hydrogeneration
From hydro- + generation.
Formed from hydro- + generation
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Proto-Indo-European *ǵenh₁- ‘to produce, beget’
…
Latin generō ‘to beget’
Latin generātiō ‘a begetting; a generation’
Old French generacion
Middle English generacioun ‘procreation’
English generation
Today it means
noun Generation of hydroelectric power.
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrogeneration