English
hydrogenless
From hydrogen + -less.
Formed from hydrogen + -less
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
adj Without hydrogen.
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrogenless