Tokelauan kō

← Hawaiian ʻo (cognate)

← Maori koa (cognate)

← Proto-Polynesian *kau (inherited)

← Proto-Polynesian *ko (inherited)

← Proto-Polynesian *koa (inherited)

← Samoan 'ou (cognate)

← Samoan ʻō (cognate)

← Tongan koaa (cognate)

← Tuvaluan kau (cognate)