Etymology

isourea

I1S1O1U1R1E1A1

Today it means: The imidic acid tautomer of urea H₂NC(=NH)OH and any of its hydrocarbyl derivatives. Full definition →

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

  1. Ancient Greekῐ̓́σος (ĭ́sos)
  2. Englishiso-
  3. Proto-Indo-European*h₁wers-
  4. Ancient Greekοὐρέω (ouréō)
  5. Ancient Greekοὖρον (oûron)
  6. Frenchurée
  7. Englishurea
  8. English todayisourea

From iso- + urea.

Etymology from Wiktionary, CC BY-SA 4.0.