pivoxazepam

The story

1. Englishpivalic acid
2. Englishpivalate
3. Proto-Indo-European*wed-
4. Proto-Indo-European*wódr̥
5. Proto-Hellenic*údōr
6. Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
7. Ancient Greekὑδρο- (hudro-)
8. Frenchhydro-
9. Proto-Indo-European*ǵenh₁-
10. Proto-Indo-European*ǵénh₁os
11. Proto-Hellenic*génos
12. Ancient Greekγένος (génos)
13. Frenchhydrogène
14. Englishhydrogen
15. Proto-Indo-European*h₂eḱ-der.?
16. Ancient Greekὀξύς (oxús)
17. Ancient Greekγένος (génos)
18. Frenchoxygène
19. Englishoxygen
20. Proto-Indo-European*swel-der.?
21. Ancient Greekῡ̔́λη (hū́lē)
22. Englishhydroxyl
23. Englishhydroxy-
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. Englishoxazepam
81. English todaypivoxazepam

From piv(alate) + oxazepam.