Etymology

bisulfite

B3I1S1U1L1F4I1T1E1

Today it means: The univalent group -HSO₃, or any salt containing it. Full definition →

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

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Italic*dwi-
  4. Latinbi-
  5. Englishbi-
  6. Latinsulpur
  7. Latinsulfur
  8. Latinsulphur
  9. Anglo-Normansulfre
  10. Middle Englishsulphur
  11. Englishsulfur
  12. Englishsulfite
  13. English todaybisulfite

From bi- + sulfite.

Etymology from Wiktionary, CC BY-SA 4.0.