French word ouvrir comes from Proto-Indo-European *h₂pó (Off, away, from.), Proto-Indo-European *wer-iō, Proto-Indo-European *h₂wer-
| Dictionary entry | Language | Definition |
|---|---|---|
| *h₂pó | Proto-Indo-European (ine-pro) | Off, away, from. |
| *wer-iō | Proto-Indo-European (ine-pro) | |
| *h₂wer- | Proto-Indo-European (ine-pro) | |
| cooperire | Latin (lat) | |
| *operīre | Vulgar Latin (la-vul) | |
| ovrir | Old French (fro) | To open. |
| ouvrir | Middle French (frm) | To open. |
| ouvrir | French (fra) | (reflexive, s'ouvrir, of a door, a gate) to open (become open). (transitive) to begin. (transitive) to open. |