Where does “rígdae” come from?

rígdae (Old Irish) comes from Old Irish rí, from Proto-Celtic rīxs, from Proto-Indo-European h₃rḗǵs, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.

rígdae (Old Irish): pertaining to king or state; regal, royal;...

Definitions

  1. pertaining to king or state; regal, royal;...

Ancestry of “rígdae”, step by step

rígdae traces back through two separate lines of ancestry.

via Old Irish rí

StepLanguageWordMeaning
1Old Irishríking
2Proto-Celticrīxsking
3Proto-Indo-Europeanh₃rḗǵsking, ruler
4Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via Old Irish Dé

StepLanguageWordMeaning
1Old IrishDévocative/genitive singular of Día
2Proto-Celticdwīyūss—
3Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European h₃reǵ- →Every word from Proto-Indo-European h₃rḗǵs →Every word from Proto-Celtic rīxs →