urukumu (in-)     6  class 6
singular: uru-
plural: in-
  
thumb
finger    urutoke
(thumb) urukumu
(index) nkumbaruboko
(middle) nsūmbazōse
(fourth) marere
(little) uruhererezi
(extra) indorerezi
En-En dictionary 
thumb    urukumu, akagabo
En-En dictionary