Where does “aperire” come from?

aperire (Latin) comes from Latin aperiō, from Proto-Indo-European h₂epó — off, away.

Ancestry of “aperire”, step by step

Step	Language	Word	Meaning
1	Latin	aperiō	—
2	Proto-Indo-European	h₂epó	off, away

aperire — Etymology, Origin & Word History | Etymology Explorer