Etymology

indoleamine

I1N1D2O1L1E1A1M3I1N1E1

Today it means: Any of various indole derivatives (as serotonin or tryptamine) that contain an amine group. Full definition →

English amine ← Latin ammoniacus ← Ancient Greek Ᾰ̓́μμων (Ắmmōn)
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The story

  1. Proto-Indo-Iranian*síndʰuš
  2. Sanskritसिन्धु॑ (síndhu)
  3. Old Persian𐏃𐎡𐎯𐎢𐏁 (hiⁿdūš)
  4. Ancient GreekἸνδός (Indós)
  5. Ancient GreekἸνδία (Indía)
  6. Ancient GreekἸνδικός (Indikós)
  7. LatinIndicu
  8. Spanishíndico
  9. Spanishíndigo
  10. Portugueseendego
  11. Spanishíndigo
  12. Dutchindigo
  13. Englishind(igo)
  14. Proto-Hellenic*élaiwon
  15. Ancient Greekἔλαιον (élaion)
  16. Latinole(um)
  17. Englishindole
  18. Egyptianjmn
  19. Ancient GreekᾸ̓́μμων (Ắmmōn)
  20. LatinAmmōn
  21. Latinammoniacus
  22. Englishammonia
  23. Englishamine
  24. English todayindoleamine

From indole + -amine.

Etymology from Wiktionary, CC BY-SA 4.0.