English
hydrator
From hydrate + -or.
Formed from hydrate + -or
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
French hydrate
English hydrate
Today it means
noun Something that hydrates.
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrator