English
hydrogenate
From hydrogen + -ate (verb-forming suffix).
Proto-Indo-European *ǵenh₁- ‘to produce’
Proto-Indo-European *ǵénh₁os ‘race, lineage’
Proto-Hellenic *génos ‘race’
Ancient Greek γένος ‘race, stock, kin’
French hydrogène
English hydrogen
Today it means
verb To treat something, or react something, with hydrogen; especially to react an unsaturated fat with hydrogen, in the presence of a nickel catalyst, to produce a harder saturated fat.
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrogenate