Etymology

polyketone

P3O1L1Y4K5E1T1O1N1E1

Today it means: Any of several polymers whose repeat units are ketones Full definition →

English ketone ← German Keton ← Ancient Greek πολῠ́ς (polŭ́s)
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The story

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*polh₁ús
  3. Ancient Greekπολῠ́ς (polŭ́s)
  4. Englishpoly-
  5. GermanKeton
  6. Englishketone
  7. English todaypolyketone

From poly- + ketone.

Etymology from Wiktionary, CC BY-SA 4.0.