Where does “nullui” come from?

nullui (Middle French) comes from Old French nului, from Old French nul, from Latin nūllus, from Proto-Italic oinos, from Proto-Indo-European óynos — one; single.

nullui (Middle French): nobody

Definitions

nobody

Ancestry of “nullui”, step by step

Step	Language	Word	Meaning
1	Old French	nului	nobody
2	Old French	nul	nobody; no one; none
3	Latin	nūllus	no one, none, not any, nothing
4	Proto-Italic	oinos	cardinal number 1 Previous: n/a Next: *duō;...
5	Proto-Indo-European	óynos	one; single

Every word from Proto-Indo-European óynos →Every word from Proto-Italic oinos →Every word from Latin nūllus →