Where does “aporcioner” come from?

aporcioner (Old French) comes from Late Latin apportionare, from Latin ad, from Proto-Italic ad, from Proto-Indo-European h₂éd — to, at.

Ancestry of “aporcioner”, step by step

Step	Language	Word	Meaning
1	Late Latin	apportionare	—
2	Latin	ad	toward, to; up to; near, by, close by, at, to
3	Proto-Italic	ad	toward, to, on, up to, for
4	Proto-Indo-European	h₂éd	to, at

aporcioner — Etymology, Origin & Word History | Etymology Explorer