cyprazepam

The story

1. Proto-Indo-European*kʷelh₁-redup.
2. Proto-Indo-European*kʷékʷlos
3. Proto-Hellenic*kʷókʷlos
4. Proto-Hellenic*kúklos
5. Ancient Greekκύκλος (kúklos)
6. Late Latincyclus
7. Middle Englishcicle
8. Englishcycle
9. Ancient Greekκύκλος (kúklos)
10. Ancient Greekκυκλῐκός (kuklĭkós)
11. Classical Latincyclicu
12. Middle Frenchcyclique
13. Frenchcyclique
14. Classical Latincyclicus
15. Englishcyclic
16. Englishcyclo-
17. Englishpropane
18. Englishcyclopropane
19. Proto-Indo-European*swel-der.?
20. Ancient Greekῡ̔́λη (hū́lē)
21. Englishcyclopropyl
22. Arabicلُبَان (lubān)
23. Proto-Indo-European*yew-
24. Proto-Indo-European*yéwos
25. Proto-Indo-Iranian*yáwas
26. Sanskritयव (yava)bor.?
27. Proto-Austronesian*zawa
28. Proto-Malayo-Polynesian*zawader.?
29. Old Javanesejawa
30. Old JavaneseJawi
31. Javaneseꦗꦮꦶ (jawi)
32. Arabicجَاوَة (jāwa)
33. Arabicـِيّ (-iyy)
34. Arabicجَاوِيّ (jāwiyy)
35. Arabicلُبَان جَاوِيّ (lubān jāwiyy)
36. Catalanbenjuí
37. Middle Frenchbenjoin
38. Englishbenzoin
39. Englishbenzo-
40. Proto-Indo-European*dwóh₁
41. Proto-Indo-European*dwi-
42. Proto-Hellenic*dwi-
43. Ancient Greekδῐ- (dĭ-)
44. Latindi-
45. Englishdi-
46. Proto-Indo-European*né
47. Proto-Indo-European*n̥-
48. Proto-Hellenic*ə-
49. Ancient Greekᾰ̓- (ă-)
50. Proto-Indo-European*gʷeyh₃-
51. Proto-Indo-European*gʷih₃wós
52. Proto-Indo-European*gʷíh₃weti
53. Proto-Hellenic*gʷyṓw-ō
54. Proto-Hellenic*d͏̌ṓwō
55. Ancient Greekζώω (zṓō)
56. Ancient Greekζῶ (zô)
57. Ancient Greekζωή (zōḗ)
58. Frenchazote
59. Englishazote
60. Englishaz-
61. Proto-Afroasiatic*sṗɣ?
62. Proto-Semitic*šabʕ-bor.?
63. Proto-Indo-European*septḿ̥
64. Proto-Hellenic*heptə́
65. Ancient Greekἑπτᾰ́ (heptắ)
66. Frenchhepta-
67. Englishazepine
68. Englishdiazepine
69. English(benzo)diazep(ine)
70. Egyptianjmn
71. Ancient GreekᾸ̓́μμων (Ắmmōn)
72. LatinAmmōn
73. Latinammoniacus
74. Englishammonia
75. Proto-Indo-European*dʰeh₁-
76. Englisham(ide)
77. Englishdiazepam
78. English todaycyprazepam

From cy(clo)pr(opyl) + -azepam (“diazepam derivative”).