as well as its pass, and caus. derivatives, are mostly used in association with olumbe, the ceremony of distributing the goods and installing the heir of the dec eased. At the end of the ceremony the period of mourning is terminated. Olumbe lwa Kasule lwayaba. The lumbe for Kasule was carried out/completed, yaba also means be very ill, be on the point of death. Nna- musanga ayaba. I found him very ill/on the point of death. okwaba inf.