dazopride

The story

1. Proto-Indo-European*dwóh₁
2. Proto-Indo-European*dwi-
3. Proto-Hellenic*dwi-
4. Ancient Greekδῐ- (dĭ-)
5. Latindi-
6. Englishdi-
7. Proto-Indo-European*h₂eydʰ-
8. Proto-Hellenic*áitʰō
9. Ancient Greekαἴθω (aíthō)
10. Ancient Greekᾱ̓ήρ (āḗr)influ.?
11. Ancient Greekαἰθήρ (aithḗr)
12. Latinaethēr
13. GermanÄther
14. GermanEther
15. Proto-Indo-European*swel-der.?
16. Ancient Greekῡ̔́λη (hū́lē)
17. GermanEthy
18. Englishethyl
19. Englishdiethyl
20. Proto-Indo-European*péh₂wr̥
21. Proto-Hellenic*pāwər
22. Ancient Greekπῦρ (pûr)
23. Latinpyr
24. Englishpyro-
25. Englishpyr-
26. Proto-Indo-European*né
27. Proto-Indo-European*n̥-
28. Proto-Hellenic*ə-
29. Ancient Greekᾰ̓- (ă-)
30. Proto-Indo-European*gʷeyh₃-
31. Proto-Indo-European*gʷih₃wós
32. Proto-Indo-European*gʷíh₃weti
33. Proto-Hellenic*gʷyṓw-ō
34. Proto-Hellenic*d͏̌ṓwō
35. Ancient Greekζώω (zṓō)
36. Ancient Greekζῶ (zô)
37. Ancient Greekζωή (zōḗ)
38. Frenchazote
39. Englishazote
40. Englishazo-
41. Englishazole
42. Englishpyrazole
43. Englishpyrazolidine
44. Latinsulpur
45. Latinsulfur
46. Latinsulphur
47. Anglo-Normansulfre
48. Middle Englishsulphur
49. Englishsulf(ur)
50. Egyptianjmn
51. Ancient GreekᾸ̓́μμων (Ắmmōn)
52. LatinAmmōn
53. Latinammoniacus
54. Englishammonia
55. Proto-Indo-European*dʰeh₁-
56. Englishamide
57. Englishsulfamide
58. Ancient Greekῡ̔́λη (hū́lē)
59. Englishsul(famoyl)
60. Ancient Greekπῦρ (pûr)
61. Ancient Greekπῠρρός (pŭrrhós)
62. GermanPyrro
63. Englishpyrrole
64. Englishpyrrolidine
65. Englishpyr(rolidinyl)
66. Arabicلُبَان (lubān)
67. Proto-Indo-European*yew-
68. Proto-Indo-European*yéwos
69. Proto-Indo-Iranian*yáwas
70. Sanskritयव (yava)bor.?
71. Proto-Austronesian*zawa
72. Proto-Malayo-Polynesian*zawader.?
73. Old Javanesejawa
74. Old JavaneseJawi
75. Javaneseꦗꦮꦶ (jawi)
76. Arabicجَاوَة (jāwa)
77. Arabicـِيّ (-iyy)
78. Arabicجَاوِيّ (jāwiyy)
79. Arabicلُبَان جَاوِيّ (lubān jāwiyy)
80. Catalanbenjuí
81. Middle Frenchbenjoin
82. Englishbenzoin
83. Englishbenzo-
84. Englishbenz-
85. Englishamide
86. English(benzam)ide
87. Englishsulpiride
88. English todaydazopride

From d(iethyl) + (pyr)azo(lidine) + -pride (“sulpiride derivative”).