(ko) te/tōna tikanga Play
1. supposedly, it would seem, strictly speaking, by rights, it's supposed to be like this - an idiom used to make an assertion or to state that something was supposed to take place or have taken place.
Ko te tikanga kua tae kē mai te waka rererangi i te hāpāhi i te rima karaka i te ahiahi. / The plane was supposed to have arrived at 5.30 p.m.
(Te Kōhure Textbook (Ed. 2): 140;)