Scottish Gaelic rìgh

← Proto-Celtic *rīxs (inherited)

← Proto-Indo-European *h₃rḗǵs (inherited)

← Old Irish rí (inherited)

→ Breton roue (mention)

→ Scottish Gaelic àrd-rìgh (affix)

→ Scottish Gaelic banrigh (affix)

→ Scottish Gaelic Rìgh Innse Gall (mention)

→ Scottish Gaelic rìoghail (affix)

→ Scottish Gaelic rìgh-chathair (affix)