phosphosaccharide

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*ḱorkeh₂
15. Proto-Indo-Iranian*ćárkaraH
16. Proto-Indo-Aryan*śárkaraH
17. Sanskritशर्क॑रा (śárkarā)
18. Palisakkharā
19. Ancient Greekσάκχαρ (sákkhar)
20. Latinsaccharon
21. Latinsaccharum
22. Englishsaccharo-
23. Proto-Indo-European*dʰeh₁-
24. Englishsaccharide
25. English todayphosphosaccharide

From phospho- + saccharide.