benzestrol

The story

1. Arabicلُبَان (lubān)
2. Proto-Indo-European*yew-
3. Proto-Indo-European*yéwos
4. Proto-Indo-Iranian*yáwas
5. Sanskritयव (yava)bor.?
6. Proto-Austronesian*zawa
7. Proto-Malayo-Polynesian*zawader.?
8. Old Javanesejawa
9. Old JavaneseJawi
10. Javaneseꦗꦮꦶ (jawi)
11. Arabicجَاوَة (jāwa)
12. Arabicـِيّ (-iyy)
13. Arabicجَاوِيّ (jāwiyy)
14. Arabicلُبَان جَاوِيّ (lubān jāwiyy)
15. Catalanbenjuí
16. Middle Frenchbenjoin
17. Englishbenzoin
18. Englishbenzo-
19. Englishbenz-
20. Proto-Indo-European*h₁eysh₂-
21. Ancient Greekοἶστρος (oîstros)
22. Latinoestrus
23. Englishestrus
24. Englishestro-
25. Proto-Indo-European*ǵenh₁-
26. Proto-Indo-European*ǵénh₁os
27. Proto-Hellenic*génos
28. Ancient Greekγένος (génos)
29. Englishestrogen
30. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
31. Aramaicכוחלא (kuḥlā)
32. Arabicكُحْل (kuḥl)
33. Andalusian Arabicكُحُول (kuḥūl)
34. Medieval Latinalcoho
35. Middle Englishalcofol
36. Englishalcohol
37. English todaybenzestrol

From benz- + -estr- (“estrogen”) + -ol.