Etymology

sulphonylurea

S1U1L1P3H4O1N1Y4L1U1R1E1A1
English urea ← French urée ← Ancient Greek οὖρον (oûron)
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The story

  1. Englishsulphonyl
  2. Proto-Indo-European*h₁wers-
  3. Ancient Greekοὐρέω (ouréō)
  4. Ancient Greekοὖρον (oûron)
  5. Frenchurée
  6. Englishurea
  7. English todaysulphonylurea

From sulphonyl + urea.

Etymology from Wiktionary, CC BY-SA 4.0.