Romanian word regiune comes from Latin -ionem, Proto-Indo-European *rek-, and later Proto-Indo-European *h₃réǵeti (To be straightening, to be setting upright.)
| Dictionary entry | Language | Definition |
|---|---|---|
| -ionem | Latin (lat) | |
| *rek- | Proto-Indo-European (ine-pro) | |
| *h₃réǵeti | Proto-Indo-European (ine-pro) | To be straightening, to be setting upright. |
| rego | Latin (lat) | I guide, steer. I oversee, manage. I rule, govern. |
| regionis | Latin (lat) | |
| region | Middle French (frm) | Region (area, district, etc.). |
| région | French (fra) | A political subdivision of France and some other Francophone countries, bigger than a département. Region; area. |
| regiune | Romanian (ron) | Region, part. |