delorazepam

The story

1. Proto-Indo-European*dwóh₁
2. Proto-Indo-European*trísinflu.
3. Proto-Indo-European*d(w)is-
4. Proto-Italic*dis-
5. Latindis-
6. Old Frenchdes-
7. Latindis-
8. Middle Englishdes-
9. Englishdes-
10. Proto-Indo-European*médʰu
11. Proto-Hellenic*métʰu
12. Ancient Greekμέθυ (méthu)
13. Proto-Indo-European*swel-der.?
14. Ancient Greekῡ̔́λη (hū́lē)
15. GermanMethy
16. Englishmethyl
17. Englishdesmethyl
18. Proto-Indo-European*ǵʰelh₃-
19. Proto-Indo-European*ǵʰl̥h₃rós
20. Proto-Hellenic*kʰlōrós
21. Ancient Greekχλωρός (khlōrós)
22. Englishchloro-
23. Englishchlor-
24. Arabicلُبَان (lubān)
25. Proto-Indo-European*yew-
26. Proto-Indo-European*yéwos
27. Proto-Indo-Iranian*yáwas
28. Sanskritयव (yava)bor.?
29. Proto-Austronesian*zawa
30. Proto-Malayo-Polynesian*zawader.?
31. Old Javanesejawa
32. Old JavaneseJawi
33. Javaneseꦗꦮꦶ (jawi)
34. Arabicجَاوَة (jāwa)
35. Arabicـِيّ (-iyy)
36. Arabicجَاوِيّ (jāwiyy)
37. Arabicلُبَان جَاوِيّ (lubān jāwiyy)
38. Catalanbenjuí
39. Middle Frenchbenjoin
40. Englishbenzoin
41. Englishbenzo-
42. Proto-Indo-European*dwóh₁
43. Proto-Indo-European*dwi-
44. Proto-Hellenic*dwi-
45. Ancient Greekδῐ- (dĭ-)
46. Latindi-
47. Englishdi-
48. Proto-Indo-European*né
49. Proto-Indo-European*n̥-
50. Proto-Hellenic*ə-
51. Ancient Greekᾰ̓- (ă-)
52. Proto-Indo-European*gʷeyh₃-
53. Proto-Indo-European*gʷih₃wós
54. Proto-Indo-European*gʷíh₃weti
55. Proto-Hellenic*gʷyṓw-ō
56. Proto-Hellenic*d͏̌ṓwō
57. Ancient Greekζώω (zṓō)
58. Ancient Greekζῶ (zô)
59. Ancient Greekζωή (zōḗ)
60. Frenchazote
61. Englishazote
62. Englishaz-
63. Proto-Afroasiatic*sṗɣ?
64. Proto-Semitic*šabʕ-bor.?
65. Proto-Indo-European*septḿ̥
66. Proto-Hellenic*heptə́
67. Ancient Greekἑπτᾰ́ (heptắ)
68. Frenchhepta-
69. Englishazepine
70. Englishdiazepine
71. English(benzo)diazep(ine)
72. Egyptianjmn
73. Ancient GreekᾸ̓́μμων (Ắmmōn)
74. LatinAmmōn
75. Latinammoniacus
76. Englishammonia
77. Proto-Indo-European*dʰeh₁-
78. Englisham(ide)
79. Englishdiazepam
80. English todaydelorazepam

From de(smethyl) + (ch)lor- + -azepam (“diazepam derivative”).