Etymology

chemotactic

C3H4E1M3O1T1A1C3T1I1C3

Today it means: Relating to or exhibiting chemotaxis. Full definition →

English chemo- ← New Latin chēmīa ← Ancient Greek χυμείᾱ (khumeíā)influ.
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The story

  1. Proto-Indo-European*ǵʰew-
  2. Ancient Greekχῠ́μᾰ (khŭ́mă)
  3. Ancient Greekχυμείᾱ (khumeíā)
  4. Arabicالْكِيمِيَاء (al-kīmiyāʔ)
  5. Medieval Latinalchēmia
  6. Ancient Greekχυμείᾱ (khumeíā)influ.
  7. New Latinchēmīa
  8. Englishchemo-
  9. English todaychemotactic

From chemo- + -tactic.

Etymology from Wiktionary, CC BY-SA 4.0.