Etymology

peptone

P3E1P3T1O1N1E1

Today it means: Any water-soluble mixture of polypeptides and amino acids formed by the partial hydrolysis of protein. Full definition →

German Pepton ← Ancient Greek πεπτόν (peptón) ← Proto-Hellenic *pét͏̌t͏̌ō
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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. English todaypeptone

From German Pepton, from Ancient Greek πεπτόν (peptón, “cooked, digested”) derived from πέπτω (péptō, “soften, ripen, boil, cook, bake, digest”).

Words from the same roots

GermanPepton all →

peptide

Ancient Greekπεπτόν all →

peptide

Etymology from Wiktionary, CC BY-SA 4.0.