monosugar

The story

1. Proto-Indo-European*men-
2. Proto-Hellenic*mónwos
3. Ancient Greekμόνος (mónos)
4. Ancient Greekμονο- (mono-)
5. Englishmono-
6. Proto-Indo-European*ḱorkeh₂
7. Proto-Indo-Iranian*ćárkaraH
8. Proto-Indo-Aryan*śárkaraH
9. Sanskritशर्क॑रा (śárkarā)
10. Middle Persian𐭱𐭪𐭥 (šakar)
11. Arabicسُكَّر (sukkar)
12. Old Italianzucchero
13. Old Frenchçucre
14. Middle Englishsugre
15. Englishsugar
16. English todaymonosugar

From mono- + sugar.