Where does “Rigas” come from?

Rigas (English) comes from Greek ρήγας, from Ancient Greek ῥήξ, 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 “Rigas”, step by step

StepLanguageWordMeaning
1Greekρήγαςking in a pack of playing cards
2Ancient Greekῥήξking
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 →