isasa (ama-  5  class 5
singular: i-,iri-
plural: ama-
  
floor tile
 isasa : Prefixless Present 2.class plural of:
gusasa (-shashe)     v    to stay at the king's or a chief's court for a time
inka zishashe amahembe maze of horns
tile    itegūra, irori ry'idirisha
(floor ~) isasa
En-En dictionary 
 isasa found in: Kirundi I (Study lessons)
lesson 65   –o with the Infinitive