Etymology

chemosignal

C3H4E1M3O1S1I1G2N1A1L1

Today it means: a pheromone Full definition →

English signal ← 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. Englishsignal
  10. English todaychemosignal

From chemo- + signal.

Etymology from Wiktionary, CC BY-SA 4.0.