"poireiton khunthok" () or "poireiton khunthokpa" () (literally, immigration by poireiton) is an ancient meitei literary narrative work (puya), describing about the immigration of a band of colonies, led by a man, poireiton, the prince and younger brother of thongaren, the god of the underworld kingdom, in the plains of the kangleipak kingdom (present day manipur).