Etymology

trisulfide

T1R1I1S1U1L1F4I1D2E1

Today it means: Any sulfide containing three atoms of sulfur. Full definition →

English sulfide ← Proto-Indo-European *dʰeh₁- ← Middle English sulphur
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The story

  1. Proto-Indo-European*tréyes
  2. Proto-Indo-European*tri-
  3. Proto-Italic*tri-
  4. Latintri-
  5. Englishtri-
  6. Latinsulpur
  7. Latinsulfur
  8. Latinsulphur
  9. Anglo-Normansulfre
  10. Middle Englishsulphur
  11. Englishsulf(ur)
  12. Proto-Indo-European*dʰeh₁-
  13. Englishsulfide
  14. English todaytrisulfide

From tri- + sulfide.

Etymology from Wiktionary, CC BY-SA 4.0.