English
hydrodesulfurization
From hydro- + desulfurization.
A compound of hydro- + desulfurization
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Today it means
noun a process for lowering the sulfur content of petroleum and similar products by catalytic hydrogenation, sulfur compounds being converted to hydrogen sulfide
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrodesulfurization