multibaryonic

The story

1. Proto-Indo-European*mel-
2. Proto-Indo-European*ml̥tós?
3. Proto-Italic*moltos
4. Latinmultus
5. Latinmultī
6. Middle Englishmulti-
7. Englishmulti-
8. Proto-Indo-European*gʷreh₂-
9. Proto-Indo-European*gʷréh₂us
10. Proto-Hellenic*gʷarus
11. Ancient Greekβαρύς (barús)
12. Ancient Greekἤλεκτρον (ḗlektron)
13. Latinēlectrum
14. New Latinēlectricus
15. Englishelectric
16. Proto-Indo-European*h₁ey-
17. Proto-Indo-European*h₁éyti
18. Proto-Hellenic*éimi
19. Ancient Greekἰόν (ión)
20. Englishion
21. Englishelectronbf.
22. Englishbaryon
23. Englishbaryonic
24. English todaymultibaryonic

From multi- + baryonic.