Etymology

polyurethane

P3O1L1Y4U1R1E1T1H4A1N1E1

Today it means: Any of various polymeric resins containing urethane links; used in many industrial and domestic applications. Full definition →

English urethane ← Ancient Greek πολῠ́ς (polŭ́s) ← Proto-Indo-European *polh₁ús
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The story

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*polh₁ús
  3. Ancient Greekπολῠ́ς (polŭ́s)
  4. Englishpoly-
  5. Englishurethane
  6. English todaypolyurethane

From poly- + urethane.

Etymology from Wiktionary, CC BY-SA 4.0.