Where does “kamutu” come from?

kamutu (Tumbuka) comes from Tumbuka mutu, from Proto-Bantu mʊ̀tʊ́è, from Proto-Benue-Congo *-to, from Proto-Atlantic-Congo *-túi.

Ancestry of “kamutu”, step by step

StepLanguageWordMeaning
1Tumbukamutuhead
2Proto-Bantumʊ̀tʊ́èhead
3Proto-Benue-Congo*-to—
4Proto-Atlantic-Congo*-túi—
Every word from Proto-Atlantic-Congo *-túi →Every word from Proto-Benue-Congo *-to →Every word from Proto-Bantu mʊ̀tʊ́è →