understood    (to be) kurangūka, gutāhūka
En-En dictionary 
kurangūka (-rangūtse)     v    to be accomplished, be understood
gutāhūrwa (-tāhūwe)     v    to be understood
heard    (to be ~ plainly) kwūmvīkana
(to speak so that one is heard but not understood, because of distance) guhwirima, guhihima
En-En dictionary 
 understood found in: Kirundi I (Study lessons)
lesson 124   Narrative Tenses II
 understood found in: Kirundi II (Grammar)
chapter 4   –ba as an Auxiliary Verb