benzathine

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*swel-der.?
21. Ancient Greekῡ̔́λη (hū́lē)
22. Englishbenzyl
23. Egyptianjmn
24. Ancient GreekᾸ̓́μμων (Ắmmōn)
25. LatinAmmōn
26. Latinammoniacus
27. Englishammonia
28. Englishamine
29. Englishamino-
30. Englishamino
31. Englishbenzylamino
32. Proto-Indo-European*h₂eydʰ-
33. Proto-Hellenic*áitʰō
34. Ancient Greekαἴθω (aíthō)
35. Ancient Greekᾱ̓ήρ (āḗr)influ.?
36. Ancient Greekαἰθήρ (aithḗr)
37. Latinaethēr
38. GermanÄther
39. GermanEther
40. Ancient Greekῡ̔́λη (hū́lē)
41. GermanEthy
42. Englishethyl
43. Englisheth-
44. Englishethane
45. English todaybenzathine

From benz(yl)a(mino) + (e)th(ane) + -ine.