tikanga ā-iwi
1. (noun) cultural practice, social science, tribal custom.
Nā runga i tōna pūkenga ki ngā tikanga ā-iwi me ngā kōrero tuku iho i tū teitei ai tōna mana i waenga i te kāhui ariki o Ngāi Tahu (TTR 1994:39). / As an expert on tribal custom and traditions his standing among Ngāi Tahu aristocracy was of the highest.