Nedtak (ng-dedtak)

English: (Transitive verb with subject = agent) when constructing a levee in a padi field, to slap the wet clay with a
large paddle or club to make it more compact; prior to wrapping cooked
rice in leaf packages, to pat, squeeze and press the rice into a
compact mass using a small wooden paddle or spatula (bugo)


Source: Peter Martin's Kelabit Dictionary