Etymology

tetrapeptide

T1E1T1R1A1P3E1P3T1I1D2E1

Today it means: An organic compound formed from four amino acids joined by peptide bonds. Full definition →

English peptide ← German Peptid ← Proto-Indo-European *dʰeh₁-
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The story

  1. Proto-Indo-European*kʷetwóres
  2. Proto-Hellenic*kʷétwores
  3. Ancient Greekτέσσᾰρες (téssăres)
  4. Ancient Greekτετρᾰ- (tetră-)
  5. Englishtetra-
  6. Proto-Indo-European*pekʷ-
  7. Proto-Indo-European*pékʷ-ye-
  8. Proto-Hellenic*pét͏̌t͏̌ō
  9. Ancient Greekπέσσω (péssō)bf.
  10. Ancient Greekπέπτω (péptō)
  11. Ancient Greekπεπτόν (peptón)
  12. GermanPepton
  13. Englishpeptone
  14. Proto-Indo-European*dʰeh₁-
  15. GermanPepton
  16. GermanPeptid
  17. Englishpeptide
  18. English todaytetrapeptide

From tetra- + peptide.

Etymology from Wiktionary, CC BY-SA 4.0.