Where does “per se” come from?

per se (English) comes from Latin per se, from Latin per, from Latin Ad, from Latin illic, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

per se (English): In and of itself; by itself; without...

Definitions

In and of itself; by itself; without...

Ancestry of “per se”, step by step

Step	Language	Word	Meaning
1	Latin	per se	by itself
2	Latin	per	through, by means of; throughout, during
3	Latin	Ad	toward, to
4	Latin	illic	he, she, it, yonder, that, overthere; in that...
5	Latin	ille	that; those; "; demonstrative pronoun "; that...
6	Latin	olle	Archaic form of ille
7	Proto-Italic	*olnos	that

Every word from Proto-Italic *olnos →Every word from Latin olle →Every word from Latin ille →