Welsh rhi

← Proto-Brythonic *rriɣ (inherited)

← Proto-Celtic *rīxs (inherited)

← Welsh brenin (link)

← Welsh pennaeth (link)

← Welsh tywysog (link)

← Welsh teyrn (link)

← Proto-Indo-European *h₃rḗǵs (inherited)

← Old Welsh ri (inherited)

→ Welsh brëyr (mention)

→ Sanskrit राज् (cognate)