←
Proto-Celtic *rīxs (derived)
←
Proto-Celtic *rīxs (derived)
←
Proto-Germanic *rīks (derived)
←
Proto-Germanic *rīks (derived)
←
Proto-Indo-European *h₃rḗǵs (derived)
←
Proto-Indo-European *h₃rḗǵs (derived)
←
Old Norse ríki (derived)
←
Old Norse ríkr (derived)