From Wiktionary, the free dictionary
From Proto-Bantu *jòngó. Cognate with Rwanda-Rundi ubwonko.
obwongo class 14 (uncountable, augmentless bwongo)
- brain
- Kaji, Shigeki (2007) A Rutooro Vocabulary[1], Tokyo: Research Institute for Languages and Cultures of Asia and Africa (ILCAA), →ISBN, page 3