phosphofructokinase

The story

1. Proto-Indo-European*bʰeh₂-
2. Proto-Indo-European*bʰéh₂os
3. Proto-Hellenic*pʰáwos
4. Ancient Greekφᾰ́ος (phắos)
5. Ancient Greekφῶς (phôs)
6. Proto-Indo-European*bʰer-
7. Proto-Indo-European*bʰéreti
8. Proto-Hellenic*pʰérō
9. Ancient Greekφέρω (phérō)
10. Ancient Greekφωσφόρος (phōsphóros)
11. Latinphōsphorus
12. Englishphosphorus
13. Englishphospho-
14. Proto-Indo-European*bʰrewHg-
15. Proto-Indo-European*bʰruHgyéti
16. Proto-Italic*frūgjōr
17. Proto-Italic*frūjōr
18. Latinfruor
19. Latinfrūctus
20. Englishfructo-
21. Proto-Indo-European*keyh₂-
22. Ancient Greekκινέω (kinéō)
23. Proto-Indo-European*dwóh₁
24. Proto-Indo-European*trísinflu.
25. Proto-Indo-European*dwís
26. Ancient Greekδιά (diá)
27. Ancient Greekδῐᾰ- (dĭă-)
28. Proto-Indo-European*steh₂-
29. Proto-Indo-European*stísteh₂ti
30. Proto-Hellenic*hístāmi
31. Ancient Greekῐ̔́στημῐ (hĭ́stēmĭ)
32. Ancient Greekδῐῐ̈́στημῐ (dĭĭ̈́stēmĭ)
33. Ancient Greekδῐᾰ́στᾰσῐς (dĭắstăsĭs)
34. Englishdiastase
35. Englishkinase
36. Englishfructokinase
37. English todayphosphofructokinase

From phospho- + fructokinase.