The story
- Latinsulpur
- Latinsulfur
- Latinsulphur
- Anglo-Normansulfre
- Middle Englishsulphur
- Englishsulfur
- Englishsulfo-
- New Latinammōnium
- Englishammonium
- Englishonium
- English todaysulfonium
Etymology from Wiktionary, CC BY-SA 4.0.
sulfonium
Today it means: the univalent H₃S⁺ cation, derived from sulfane Full definition →
English onium ← New Latin ammōnium ← Middle English sulphur