bromobenzotriazole

The story

1. Ancient Greekβρῶμος (brômos)
2. Frenchbrome
3. Englishbrome
4. Englishbromine
5. Englishbromo-
6. Arabicلُبَان (lubān)
7. Proto-Indo-European*yew-
8. Proto-Indo-European*yéwos
9. Proto-Indo-Iranian*yáwas
10. Sanskritयव (yava)bor.?
11. Proto-Austronesian*zawa
12. Proto-Malayo-Polynesian*zawader.?
13. Old Javanesejawa
14. Old JavaneseJawi
15. Javaneseꦗꦮꦶ (jawi)
16. Arabicجَاوَة (jāwa)
17. Arabicـِيّ (-iyy)
18. Arabicجَاوِيّ (jāwiyy)
19. Arabicلُبَان جَاوِيّ (lubān jāwiyy)
20. Catalanbenjuí
21. Middle Frenchbenjoin
22. Englishbenzoin
23. Englishbenzo-
24. Proto-Indo-European*tréyes
25. Proto-Indo-European*tri-
26. Proto-Italic*tri-
27. Latintri-
28. Englishtri-
29. Proto-Indo-European*né
30. Proto-Indo-European*n̥-
31. Proto-Hellenic*ə-
32. Ancient Greekᾰ̓- (ă-)
33. Proto-Indo-European*gʷeyh₃-
34. Proto-Indo-European*gʷih₃wós
35. Proto-Indo-European*gʷíh₃weti
36. Proto-Hellenic*gʷyṓw-ō
37. Proto-Hellenic*d͏̌ṓwō
38. Ancient Greekζώω (zṓō)
39. Ancient Greekζῶ (zô)
40. Ancient Greekζωή (zōḗ)
41. Frenchazote
42. Englishazote
43. Englishazo-
44. Englishazole
45. Englishtriazole
46. Englishbenzotriazole
47. English todaybromobenzotriazole

From bromo- + benzotriazole.