hydroxybenzoic

The story

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

From hydroxy- + benzoic.