umusēnyi (imi-)     2  class 2
singular: umu-
plural: imi-
  
sand
sand    umusēnyi
En-En dictionary 
sandpit    ikinogo c'umusenyi co gushushanya mwo
En-En dictionary 
 umusenyi found in: Kirundi I (Study lessons)
lesson 65   –o with the Infinitive
lesson 69   Possessive Particle –a Changed to –o