Where does “disulfur” come from?

disulfur (English) comes from English sulfur, from Middle English sulphur, from Anglo-Norman sulfre, from Latin sulphur, from Latin sulpur, from Proto-Indo-European swelplos, from Proto-Indo-European swel- — to smolder; burn; scorch; beam, board, frame,...

disulfur (English): Two atoms of sulfur in a compound

Definitions

  1. Two atoms of sulfur in a compound

Ancestry of “disulfur”, step by step

disulfur traces back through two separate lines of ancestry.

via English sulfur

StepLanguageWordMeaning
1EnglishsulfurA chemical element with an atomic number of 16;...
2Middle Englishsulphursulfur
3Anglo-Normansulfresulphur
4Latinsulphursulfur, brimstone; lightning
5LatinsulpurArchaic form of sulphur
6Proto-Indo-Europeanswelplos
7Proto-Indo-Europeanswel-to smolder; burn; scorch; beam, board, frame,...

via Catalan sulfur

StepLanguageWordMeaning
1Catalansulfursulfide, sulphide
Every word from Proto-Indo-European swel-Every word from Proto-Indo-European swelplosEvery word from Latin sulpur