yiisisa (-yiisisizza) v.tr. caus. 1 Sc 2 cause to cook/ferment, etc. Njiisizza emmere. I have the food ready. I have finished cooking. Kisitu ye yamuyii- sisa omwenge. It was Kisitu who made him brew the beer. cf. -yiifu,

etc. cf. yiwa, ekiyiifuyiifu.