riri tara ā-whare
1. (noun) war between sections of the same hapū or iwi, civil war - sometimes as riri tara-ā-whare.
I roto i ngā tau o 1865 ki ngā tau o 1870, ka tū te riri tara ā-whare, ki roto o Ngāti Porou. Arā, ka pakanga a Ngāti Porou ki a Ngāti Porou. Ka weherua te iwi (Te Ara 2017). / Between 1865 and the 1870s civil war broke out within Ngāti Porou. That is, Ngāti Porou fought Ngāti Porou, and the tribe split into two.