Etymology

peptidolactone

P3E1P3T1I1D2O1L1A1C3T1O1N1E1

Today it means: Any lactone derived from hydroxy derivatives of amino acids. Full definition →

English lactone ← German Keton ← Latin lac
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The story

  1. Proto-Indo-European*pekʷ-
  2. Proto-Indo-European*pékʷ-ye-
  3. Proto-Hellenic*pét͏̌t͏̌ō
  4. Ancient Greekπέσσω (péssō)bf.
  5. Ancient Greekπέπτω (péptō)
  6. Ancient Greekπεπτόν (peptón)
  7. GermanPepton
  8. Englishpeptone
  9. Proto-Indo-European*dʰeh₁-
  10. GermanPepton
  11. GermanPeptid
  12. Englishpeptide
  13. Englishpeptido-
  14. Latinlac
  15. Englishlacto-
  16. GermanKeton
  17. Englishketone
  18. Englishlactone
  19. English todaypeptidolactone

From peptido- + lactone.

Etymology from Wiktionary, CC BY-SA 4.0.