pinazepam

The story

1. Englishpropyne
2. Proto-Indo-European*swel-der.?
3. Ancient Greekῡ̔́λη (hū́lē)
4. Englishpropynyl
5. Arabicلُبَان (lubān)
6. Proto-Indo-European*yew-
7. Proto-Indo-European*yéwos
8. Proto-Indo-Iranian*yáwas
9. Sanskritयव (yava)bor.?
10. Proto-Austronesian*zawa
11. Proto-Malayo-Polynesian*zawader.?
12. Old Javanesejawa
13. Old JavaneseJawi
14. Javaneseꦗꦮꦶ (jawi)
15. Arabicجَاوَة (jāwa)
16. Arabicـِيّ (-iyy)
17. Arabicجَاوِيّ (jāwiyy)
18. Arabicلُبَان جَاوِيّ (lubān jāwiyy)
19. Catalanbenjuí
20. Middle Frenchbenjoin
21. Englishbenzoin
22. Englishbenzo-
23. Proto-Indo-European*dwóh₁
24. Proto-Indo-European*dwi-
25. Proto-Hellenic*dwi-
26. Ancient Greekδῐ- (dĭ-)
27. Latindi-
28. Englishdi-
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. Englishaz-
44. Proto-Afroasiatic*sṗɣ?
45. Proto-Semitic*šabʕ-bor.?
46. Proto-Indo-European*septḿ̥
47. Proto-Hellenic*heptə́
48. Ancient Greekἑπτᾰ́ (heptắ)
49. Frenchhepta-
50. Englishazepine
51. Englishdiazepine
52. English(benzo)diazep(ine)
53. Egyptianjmn
54. Ancient GreekᾸ̓́μμων (Ắmmōn)
55. LatinAmmōn
56. Latinammoniacus
57. Englishammonia
58. Proto-Indo-European*dʰeh₁-
59. Englisham(ide)
60. Englishdiazepam
61. English todaypinazepam

From (pro)pyn(yl) + -azepam (“diazepam derivative”).