rou kākahi
1. (verb) to dredge for freshwater mussels.
He tāne rou kākahi ka moea, he tāne moe i roto i te whare kurua te takataka (TTT 1/10/1922:12). / The husband dexterous at dredging freshwater mussels will be slept with, but the husband who sleeps idly in the house will have his head thumped. (A whakataukī stressing the value of hard work and a wife's appreciation of a good provider.)