tāngorungoru
1. (intransitive verb) to be thoroughly ripe, thoroughly cooked.
Ki a au nei kia roa tonu te kamokamo e tunu ana, kia tāngorungoru tonu, kātahi ka tino reka rawa atu (HJ 2017:114). / I think that when kamokamo is cooked for quite a long time so that it's thoroughly cooked, then it's the tastiest.