koinaka
1. (interjection) it is that, that's, those are, that was, those were, hence, consequently - variation of koia nā and koinā.
(Te Pihinga Textbook (Ed. 2): 8;)
E tika ana kia mōhio ngā tamariki ki te ora, ki ngā mahi, ki ngā korero hoki a te Karaiti. Koinaka tētahi mahi a ngā kura mihingare (TTT 1/12/1930:2201). / It's appropriate that children know the life, deeds and the word of Christ. That's one task of the missionary schools.
See also koia nā