Etymology

polyhistidine

P3O1L1Y4H4I1S1T1I1D2I1N1E1

Today it means: Several histidine residues linked together (usually at least six). Full definition →

English histidine ← Ancient Greek ῐ̔στός (hĭstós) ← Proto-Indo-European *steh₂-
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The story

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*polh₁ús
  3. Ancient Greekπολῠ́ς (polŭ́s)
  4. Englishpoly-
  5. Proto-Indo-European*steh₂-
  6. Ancient Greekῐ̔στός (hĭstós)
  7. Englishhisto-
  8. Englishhistidine
  9. English todaypolyhistidine

From poly- + histidine.

Etymology from Wiktionary, CC BY-SA 4.0.