French word ou comes from Proto-Indo-European *kʷe-, Proto-Indo-European *kʷo-, Proto-Indo-European *ǵʰi-ḱe, Proto-Indo-European *h₂ew (Again. Away from, off.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *kʷe- | Proto-Indo-European (ine-pro) | |
| *kʷo- | Proto-Indo-European (ine-pro) | |
| *ǵʰi-ḱe | Proto-Indo-European (ine-pro) | |
| *h₂ew | Proto-Indo-European (ine-pro) | Again. Away from, off. |
| hic | Latin (lat) | This, these, used to refer to (a) person(s) or thing(s) close to the speaker, in contrast to ille, meaning that. |
| *h₂ewti | Proto-Indo-European (ine-pro) | |
| *kʷís | Proto-Indo-European (ine-pro) | Who, what (interrogative). Who, which, that (relative) Which, what. |
| sive | Latin (lat) | On the other hand; but if. Or. |
| *kʷis | Proto-Italic (itc-pro) | Who, what (interrogative). |
| ubi | Latin (lat) | (interrogative) where? in what place?, in which place?. (relative) "When" or "where". |
| ou | Old French (fro) | Where Or. |
| ou | French (fra) | Either. Or. |