section    (of people) umuco, igico
En-En dictionary 
igico (ibi-  4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
division, section, segment, group, troop
umuce (imi-)     2  class 2
singular: umu-
plural: imi-
  
division, section, group
umuco (imi-)     2  class 2
singular: umu-
plural: imi-
  
1. light, daylight (sunny), 2. division, section, group, troop
 section found in: Kirundi II (Grammar)
chapter 4   –ba as an Auxiliary Verb
chapter 9   “immediately”
chapter 10   –o– Conditional in Present, Past and Future
chapter 16   Prefixless Past Tense
chapter 18   Optative Mood
chapter 26   Special Verb Endings
chapter 37   –ruha as an Auxiliary Verb
chapter 46   “when” Clauses