English

hydrosulfuric

From hydro- + sulfuric.

Proto-Indo-European *wed- ‘water’

Proto-Indo-European *wódr̥ ‘water’

Proto-Hellenic *údōr ‘water’

Ancient Greek ῡ̆̔́δωρ ‘water’

French sulfurique ‘sulfuric / sulphuric’

Today it means

adj Derived from hydrogen sulfide considered as hydrosulfuric acid.

Language periods are conventional ranges, not dates for this word.

Etymograph / hydrosulfuric