What is "tapuaetai"

Tapuaetai (tapuae : footprint ; ta'i : one) or One Foot Island is one of 22 islands in the Aitutaki atoll of the Cook Islands. It is located on the southeastern perimeter of Aitutaki Lagoon immediately to the southwest of the larger island of Tekopua, seven kilometres to the east of the main island of Aitutaki.