ikivyīmba (ibi-  4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
1. tumor, 2. swelling (from kuvyīmba)
 ikivyimba : Prefixless Present 2.class plural with 4.class sg. object of:
kuvyīmba (-vyīmvye)   v    to swell up
cancer    kanseri, ikivyīmba
En-En dictionary 
tumor    ikivyīmba
En-En dictionary