Etymology

polyproline

P3O1L1Y4P3R1O1L1I1N1E1

Today it means: A sequence of several proline residues in a polypeptide or protein; tends to generate an anomalous left-handed helix conformation Full definition →

English proline ← German Pyrro ← Ancient Greek πῠρρός (pŭrrhós)
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The story

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*polh₁ús
  3. Ancient Greekπολῠ́ς (polŭ́s)
  4. Englishpoly-
  5. Ancient Greekπῠρρός (pŭrrhós)
  6. GermanPyrro
  7. Englishpyrrole
  8. Englishpyrrolidine
  9. Englishproline
  10. English todaypolyproline

From poly- + proline.

Etymology from Wiktionary, CC BY-SA 4.0.