whakakeretā
1. (verb) (-tia) to turn to clay, damage, turn to mush, destroy.
He whakapopo i ngā niho, he whakahauā i te korokoro me te atewharowharo, me ngā whanewhane katoa o te kōpū; he whakakeretā i ngā roro me ngā akaaka katoa o te tinana (TKM.MM 20/8/1862:21). / It rots the teeth, damages the throat and lungs, and all the organs of the abdomen, and destroys the brain and all the nerves of the body.