Etymology

disulfur

D2I1S1U1L1F4U1R1

Today it means: Two atoms of sulfur in a compound. Full definition →

English sulfur ← Middle English sulphur ← Anglo-Norman sulfre
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Latinsulpur
  8. Latinsulfur
  9. Latinsulphur
  10. Anglo-Normansulfre
  11. Middle Englishsulphur
  12. Englishsulfur
  13. English todaydisulfur

From di- + sulfur.

Etymology from Wiktionary, CC BY-SA 4.0.