dihydroxybenzoic

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*wed-
8. Proto-Indo-European*wódr̥
9. Proto-Hellenic*údōr
10. Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
11. Ancient Greekῠ̔δρο- (hŭdro-)
12. Englishhydro-
13. Englishoxy
14. Englishhydroxy
15. Englishdihydroxy
16. Arabicلُبَان (lubān)
17. Proto-Indo-European*yew-
18. Proto-Indo-European*yéwos
19. Proto-Indo-Iranian*yáwas
20. Sanskritयव (yava)bor.?
21. Proto-Austronesian*zawa
22. Proto-Malayo-Polynesian*zawader.?
23. Old Javanesejawa
24. Old JavaneseJawi
25. Javaneseꦗꦮꦶ (jawi)
26. Arabicجَاوَة (jāwa)
27. Arabicـِيّ (-iyy)
28. Arabicجَاوِيّ (jāwiyy)
29. Arabicلُبَان جَاوِيّ (lubān jāwiyy)
30. Catalanbenjuí
31. Middle Frenchbenjoin
32. Englishbenzoin
33. Englishbenzoic
34. English todaydihydroxybenzoic

From dihydroxy + benzoic.