resorcin

The story

1. Ancient Greekῥητῑ́νη (rhētī́nē)
2. Latinrēsīna
3. Old Frenchrésine
4. Middle Englishresyn
5. Englishresin
6. Proto-Indo-European*h₂ew-
7. Proto-Indo-European*h₂ṓws
8. Proto-Italic*ausis
9. Latinauris
10. Latinauricula
11. Latinōricula
12. Italianoricello
13. Arabic[script needed] ('urjālla)influ.
14. Old Catalanorxella
15. Old Frenchorchel
16. Frenchorseille
17. Dutchorseille
18. New Latinorcina
19. Frenchorcine
20. Englishorcin
21. English todayresorcin

Blend of resin + orcin, so called because in its higher homologue it resembles orcin.