amylopectin

The story

1. Proto-Indo-European*né
2. Proto-Indo-European*n̥-
3. Proto-Hellenic*ə-
4. Ancient Greekἀ- (a-)
5. Proto-Indo-European*melh₂-
6. Proto-Hellenic*mólā
7. Ancient Greekμύλη (múlē)
8. Ancient Greekἄμῠλος (ámŭlos)
9. Ancient Greekἄμῠλον (ámŭlon)
10. Latinamylum
11. Englishamylo-
12. Proto-Indo-European*peh₂ǵ-
13. Ancient Greekπήγνῡμι (pḗgnūmi)
14. Ancient Greekπηκτός (pēktós)
15. Ancient Greekπηκτικός (pēktikós)
16. Frenchacide pectique
17. Frenchpectine
18. Englishpectin
19. English todayamylopectin

From amylo- + pectin.