Etymology

thiourea

T1H4I1O1U1R1E1A1

Today it means: Any of a class of compounds based on NH₂-CS-NH₂, formally derived from urea by replacing the oxygen atom with sulfur, used in photography as a fixing agent, in inorganic synthesis, and in medicine as an antithyroid drug. Full definition →

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

  1. Proto-Indo-European*dʰewh₂-der.?
  2. Ancient Greekθέειον (théeion)
  3. Ancient Greekθεῖον (theîon)
  4. Englishthio-
  5. Proto-Indo-European*h₁wers-
  6. Ancient Greekοὐρέω (ouréō)
  7. Ancient Greekοὖρον (oûron)
  8. Frenchurée
  9. Englishurea
  10. English todaythiourea

From New Latin, 1890–95, thio- + urea.

Etymology from Wiktionary, CC BY-SA 4.0.