Etymology

polylactone

P3O1L1Y4L1A1C3T1O1N1E1

Today it means: Any (sometimes cyclic) polymer whose monomers are hydroxy acids Full definition →

English lactone ← German Keton ← Latin lac
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The story

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*polh₁ús
  3. Ancient Greekπολῠ́ς (polŭ́s)
  4. Englishpoly-
  5. Latinlac
  6. Englishlacto-
  7. GermanKeton
  8. Englishketone
  9. Englishlactone
  10. English todaypolylactone

From poly- + lactone.

Etymology from Wiktionary, CC BY-SA 4.0.