stain    irabagu, ikirabagu
En-En dictionary 
irabagu (ama-  5  class 5
singular: i-,iri-
plural: ama-
  
spot, stain
ikirabagu (ibi-)     4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
spot, stain
gukomeza (-komeje)     v    1. to continue, to proceed, 2. make strong, 3. to persevere, to sustain, 4. to confirm
gusība (-sīvye)     v    1. to be absent, 2. to miss, to be short (lacking), 3. to abstain
kwītesha (-ītesheje)     v    to abstain from, hinder oneself
abstain    (to) gusība
(to ~ from) kwītesha
En-En dictionary 
sustain    (to) gukomeza
En-En dictionary