Etymology

tachykinin

T1A1C3H4Y4K5I1N1I1N1

Today it means: Any of a family of widespread neuropeptides that excite neurons, evoke behavioral responses, and contract muscles. Full definition →

English kinin ← Ancient Greek τᾰχῠ́ς (tăkhŭ́s) ← Proto-Indo-European *dʰn̥gʰ-ú-sder.?
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The story

  1. Proto-Indo-European*dʰengʰ-
  2. Proto-Indo-European*dʰn̥gʰ-ú-sder.?
  3. Ancient Greekτᾰχῠ́ς (tăkhŭ́s)
  4. Englishtachy-
  5. Englishkinin
  6. English todaytachykinin

From tachy- + kinin.

Etymology from Wiktionary, CC BY-SA 4.0.