urushāna     6  class 6
singular: uru-
  
(no pl.) principal rainy season (April)
 urushana : Prefixless Present 2. pers. sing. with 6.class sg. object of:
gushāna (-shānnye)     v    to fall continuously (rain)
May    (month) ukwēzi kwa gatanu, Rusama
(month of heavy rains) urushāna
En-En dictionary 
rainy season   itumba
(early, Sept.-Oct.) agatāsi
(principal, Feb.-May) urushāna
En-En dictionary 
 urushana found in: Kirundi II (Grammar)
chapter 51   Nouns made from Verbs