nonsaccharine

The story

1. Proto-Indo-European*né
2. Proto-Germanic*ne
3. Proto-Indo-European*ís?
4. Proto-Indo-European*h₁óynos
5. Proto-Germanic*ainaz
6. Proto-Germanic*nainaz
7. Proto-West Germanic*nain
8. Old Englishnān
9. Middle Englishnon
10. Old Englishnān
11. Old Englishnān-
12. Middle Englishnon-
13. Englishnon-
14. Proto-Indo-European*ḱorkeh₂
15. Proto-Indo-Iranian*ćárkaraH
16. Proto-Indo-Aryan*śárkaraH
17. Sanskritशर्क॑रा (śárkarā)
18. Palisakkharā
19. Ancient Greekσάκχαρ (sákkhar)
20. Latinsaccharon
21. New Latinsaccharum
22. Englishsaccharine
23. English todaynonsaccharine

From non- + saccharine.