Etymology

macrolactone

M3A1C3R1O1L1A1C3T1O1N1E1

Today it means: Any macrocyclic lactone Full definition →

English lactone ← German Keton ← Latin lac
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The story

  1. Proto-Indo-European*meh₂ḱ-
  2. Proto-Indo-European*mh₂ḱrós
  3. Proto-Hellenic*makrós
  4. Ancient Greekμᾰκρός (măkrós)
  5. Frenchmacro-
  6. Englishmacro-
  7. Latinlac
  8. Englishlacto-
  9. GermanKeton
  10. Englishketone
  11. Englishlactone
  12. English todaymacrolactone

From macro- + lactone.

Etymology from Wiktionary, CC BY-SA 4.0.