diorcinol

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*h₂ew-
8. Proto-Indo-European*h₂ṓws
9. Proto-Italic*ausis
10. Latinauris
11. Latinauricula
12. Latinōricula
13. Italianoricello
14. Arabic[script needed] ('urjālla)influ.
15. Old Catalanorxella
16. Old Frenchorchel
17. Frenchorseille
18. Dutchorseille
19. New Latinorcina
20. Frenchorcine
21. Englishorcin
22. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
23. Aramaicכוחלא (kuḥlā)
24. Arabicكُحْل (kuḥl)
25. Andalusian Arabicكُحُول (kuḥūl)
26. Medieval Latinalcoho
27. Middle Englishalcofol
28. Englishalcohol
29. Englishorcinol
30. English todaydiorcinol

From di- + orcinol.