igituba (ibi-)     4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
vagina, vulva
 igituba : Prefixless Present 2.class plural with 4.class sg. object of:
gutūba (-tūvye)     v    to grow smaller (sometimes used of moon)
vagina    igituba, umusundi, igisundi
En-En dictionary 
vulva    igituba
En-En dictionary