gravitino

The story

1. Proto-Indo-European*gʷreh₂-
2. Proto-Indo-European*gʷréh₂us
3. Proto-Italic*gʷraus
4. Latingravis
5. Latingravitā
6. Frenchgravité
7. Latingravitā
8. Englishgravity
9. Ancient Greekἤλεκτρον (ḗlektron)
10. Latinēlectrum
11. New Latinēlectricus
12. Englishelectric
13. Proto-Indo-European*h₁ey-
14. Proto-Indo-European*h₁éyti
15. Proto-Hellenic*éimi
16. Ancient Greekἰόν (ión)
17. Englishion
18. Englishelectronbf.
19. Englishgraviton
20. English todaygravitino

From graviton + -ino.