Where does “kamunthu” come from?

kamunthu (Tumbuka) comes from Chichewa munthu, from Proto-Bantu *mʊ̀ntʊ̀, from Proto-Atlantic-Congo *-nintu — person.

Ancestry of “kamunthu”, step by step

StepLanguageWordMeaning
1Chichewamunthuperson, human being
2Proto-Bantu*mʊ̀ntʊ̀—
3Proto-Atlantic-Congo*-nintuperson
Every word from Proto-Atlantic-Congo *-nintu →Every word from Proto-Bantu *mʊ̀ntʊ̀ →Every word from Chichewa munthu →