doubling of the last part to express a disorder...
did you mean mongo ?
mongo
lomongo
The Mongo are a Bantu people of Central Africa.
It's the second largest ethnic group of the Democratic Republic of Congo
They live in the equatorial forest,
south of province de l'équateur and province orientale and the main bend of the Congo river,
north of the provinces Bandundu and Kasai Oriental, and the Kasai and Sankuru rivers
and in the Maniema