Where does “regner” come from?

regner (Old French) comes from Latin regno, from Latin regnum, from Latin rēx, from Proto-Italic rēks, from Proto-Indo-European h₃rḗǵs, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.

Ancestry of “regner”, step by step

StepLanguageWordMeaning
1Latinregnodative masculine singular of rēgnum; ablative...
2Latinregnumroyal power, power, control, kingdom, reign;...
3Latinrēxking, ruler
4Proto-Italicrēksking
5Proto-Indo-Europeanh₃rḗǵsking, ruler
6Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just
Every word from Proto-Indo-European h₃reǵ- →Every word from Proto-Indo-European h₃rḗǵs →Every word from Proto-Italic rēks →