Etymology

sulfonamide

S1U1L1F4O1N1A1M3I1D2E1

Today it means: Any amide of a sulfonic acid RS(=O)₂NR'₂ Full definition →

English amide ← Proto-Indo-European *dʰeh₁- ← Latin ammoniacus
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The story

  1. Englishsulfon(ic acid)
  2. Egyptianjmn
  3. Ancient GreekᾸ̓́μμων (Ắmmōn)
  4. LatinAmmōn
  5. Latinammoniacus
  6. Englishammonia
  7. Proto-Indo-European*dʰeh₁-
  8. Englishamide
  9. English todaysulfonamide

From sulfon(ic acid) + amide.

Etymology from Wiktionary, CC BY-SA 4.0.