Where does “roi” come from?
roi (Old French) comes from Latin rēx, from Proto-Italic rēks, from Proto-Indo-European h₃rḗǵs, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.
roi (Old French): king
Ancestry of “roi”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | rēx | — |
| 2 | Proto-Italic | rēks | king |
| 3 | Proto-Indo-European | h₃rḗǵs | king, ruler |
| 4 | Proto-Indo-European | h₃reǵ- | to straighten, to right oneself; right; just |