Etymology

peptidoglycan

P3E1P3T1I1D2O1G2L1Y4C3A1N1

Today it means: A polymer of glycan and peptides found in bacterial cell walls Full definition →

English glycan ← German Peptid ← Proto-Indo-European *dʰeh₁-
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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. Englishglycan
  15. English todaypeptidoglycan

From peptido- + glycan.

Etymology from Wiktionary, CC BY-SA 4.0.