camazepam

The story

1. Englishcarbamic
2. Englishcarbamate
3. Arabicلُبَان (lubān)
4. Proto-Indo-European*yew-
5. Proto-Indo-European*yéwos
6. Proto-Indo-Iranian*yáwas
7. Sanskritयव (yava)bor.?
8. Proto-Austronesian*zawa
9. Proto-Malayo-Polynesian*zawader.?
10. Old Javanesejawa
11. Old JavaneseJawi
12. Javaneseꦗꦮꦶ (jawi)
13. Arabicجَاوَة (jāwa)
14. Arabicـِيّ (-iyy)
15. Arabicجَاوِيّ (jāwiyy)
16. Arabicلُبَان جَاوِيّ (lubān jāwiyy)
17. Catalanbenjuí
18. Middle Frenchbenjoin
19. Englishbenzoin
20. Englishbenzo-
21. Proto-Indo-European*dwóh₁
22. Proto-Indo-European*dwi-
23. Proto-Hellenic*dwi-
24. Ancient Greekδῐ- (dĭ-)
25. Latindi-
26. Englishdi-
27. Proto-Indo-European*né
28. Proto-Indo-European*n̥-
29. Proto-Hellenic*ə-
30. Ancient Greekᾰ̓- (ă-)
31. Proto-Indo-European*gʷeyh₃-
32. Proto-Indo-European*gʷih₃wós
33. Proto-Indo-European*gʷíh₃weti
34. Proto-Hellenic*gʷyṓw-ō
35. Proto-Hellenic*d͏̌ṓwō
36. Ancient Greekζώω (zṓō)
37. Ancient Greekζῶ (zô)
38. Ancient Greekζωή (zōḗ)
39. Frenchazote
40. Englishazote
41. Englishaz-
42. Proto-Afroasiatic*sṗɣ?
43. Proto-Semitic*šabʕ-bor.?
44. Proto-Indo-European*septḿ̥
45. Proto-Hellenic*heptə́
46. Ancient Greekἑπτᾰ́ (heptắ)
47. Frenchhepta-
48. Englishazepine
49. Englishdiazepine
50. English(benzo)diazep(ine)
51. Egyptianjmn
52. Ancient GreekᾸ̓́μμων (Ắmmōn)
53. LatinAmmōn
54. Latinammoniacus
55. Englishammonia
56. Proto-Indo-European*dʰeh₁-
57. Englisham(ide)
58. Englishdiazepam
59. English todaycamazepam

From ca(rba)m(ate) + -azepam (“diazepam derivative”).