Where does “obrir” come from?

obrir (Old French) comes from Vulgar Latin operire, from Latin aperīre, from Latin aperiō, from Proto-Indo-European h₂epó — off, away.

Ancestry of “obrir”, step by step

StepLanguageWordMeaning
1Vulgar Latinoperire—
2Latinaperīre—
3Latinaperiōto uncover, make or lay bare, reveal, clear
4Proto-Indo-Europeanh₂epóoff, away
Every word from Proto-Indo-European h₂epó →Every word from Latin aperiō →Every word from Latin aperīre →