arylalkylamine

The story

1. Ancient Greekἄρωμα (árōma)
2. Ancient Greekἀρωματικός (arōmatikós)
3. Late Latinarōmaticus
4. Old Frencharomatique
5. Englisharomatic
6. Proto-Indo-European*swel-der.?
7. Ancient Greekῡ̔́λη (hū́lē)
8. Englisharyl
9. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
10. Aramaicכוחלא (kuḥlā)
11. Arabicكُحْل (kuḥl)
12. Andalusian Arabicكُحُول (kuḥūl)
13. Medieval Latinalcoho
14. Middle Englishalcofol
15. Englishalc(ohol)
16. Englishalkyl
17. Egyptianjmn
18. Ancient GreekᾸ̓́μμων (Ắmmōn)
19. LatinAmmōn
20. Latinammoniacus
21. Englishammonia
22. Englishamine
23. English todayarylalkylamine

From aryl + alkyl + amine.