isima (i-  3  class 3
singular: i-,in-
plural: i-,in-
  
cement (Fr. ciment)
cement    isima
En-En dictionary 
mortar    ikarabasasi, ubudongo bw'isima
(for grinding) isekuru (or isekuro)
(pestle for) umusekuzo
(to grind or shell in wooden mortar) gusekura
En-En dictionary