rhamnosyltransferase

The story

1. Ancient Greekῥᾰ́μνος (rhắmnos)
2. LatinRhamnusinflu.
3. Late Latinrhamnus
4. Proto-Hellenic*dléukus?
5. Ancient Greekγλεῦκος (gleûkos)
6. Frenchglucose
7. Englishglucosebf.
8. Englishrhamnose
9. Proto-Indo-European*swel-der.?
10. Ancient Greekῡ̔́λη (hū́lē)
11. Englishrhamnosyl
12. Proto-Indo-European*terh₂-
13. Proto-Indo-European*térh₂t
14. Proto-Indo-European*tr̥h₂ónts
15. Proto-Indo-European*tr̥h₂n̥ts
16. Proto-Italic*trāns
17. Proto-Italic*trāns-
18. Latintrāns-
19. Proto-Indo-European*bʰer-
20. Proto-Indo-European*bʰéreti
21. Proto-Italic*ferō
22. Latinferō
23. Latintrānsferō
24. Englishtransfer
25. Proto-Indo-European*dwóh₁
26. Proto-Indo-European*trísinflu.
27. Proto-Indo-European*dwís
28. Ancient Greekδιά (diá)
29. Ancient Greekδῐᾰ- (dĭă-)
30. Proto-Indo-European*steh₂-
31. Proto-Indo-European*stísteh₂ti
32. Proto-Hellenic*hístāmi
33. Ancient Greekῐ̔́στημῐ (hĭ́stēmĭ)
34. Ancient Greekδῐῐ̈́στημῐ (dĭĭ̈́stēmĭ)
35. Ancient Greekδῐᾰ́στᾰσῐς (dĭắstăsĭs)
36. Englishdiastase
37. Englishtransferase
38. English todayrhamnosyltransferase

From rhamnosyl + transferase.