Where does “sulfate” come from?

Sulfate comes from French sulfate, derived from French sulfater with the French verb-forming suffix -er, ultimately from Latin -āre verbal endings.

sulfate (English): Any ester of sulfuric acid; Any salt of sulfuric...

Definitions

Step	Language	Word	Meaning
1	French	sulfate	first-person singular present indicative of...
2	New Latin	sulphatum	—
3	New Latin	sulphatus	—
4	Latin	sulphur	sulfur, brimstone; lightning
5	Latin	sulpur	Archaic form of sulphur
6	Proto-Indo-European	swelplos	—
7	Proto-Indo-European	swel-	to smolder; burn; scorch; beam, board, frame,...

sulfate — Etymology, Origin & Word History | Etymology Explorer