kugubwa (-gubwe)     v    to be settled down nicely, good pleasant living (pass. of kugwa)
 kugubwa : passive of...
kuguba (-guvye)     v    to hide and wait for hunter (animal), to lie in wait
settled    (down, to be nicely) kugūbwa
En-En dictionary 
 kugubwa found in: Kirundi I (Study lessons)
lesson 85   Passives of Monosyllabic Verbs