dialkylamine

The story

1. Proto-Indo-European*dwóh₁
2. Proto-Indo-European*dwi-
3. Proto-Hellenic*dwi-
4. Ancient Greekδῐ- (dĭ-)
5. Latindi-
6. Englishdi-
7. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
8. Aramaicכוחלא (kuḥlā)
9. Arabicكُحْل (kuḥl)
10. Andalusian Arabicكُحُول (kuḥūl)
11. Medieval Latinalcoho
12. Middle Englishalcofol
13. Englishalc(ohol)
14. Proto-Indo-European*swel-der.?
15. Ancient Greekῡ̔́λη (hū́lē)
16. Englishalkyl
17. Egyptianjmn
18. Ancient GreekᾸ̓́μμων (Ắmmōn)
19. LatinAmmōn
20. Latinammoniacus
21. Englishammonia
22. Englishamine
23. English todaydialkylamine

From di- + alkyl + amine.