Where does “saotchetsana” come from?

saotchetsana (Chichewa) comes from Chichewa otchetsana, from Chichewa otchetsa, from Chichewa otcha, from Proto-Bantu -jòka — to roast.

Ancestry of “saotchetsana”, step by step

StepLanguageWordMeaning
1Chichewaotchetsana
2Chichewaotchetsa
3Chichewaotchato burn
4Proto-Bantu-jòkato roast
Every word from Proto-Bantu -jòkaEvery word from Chichewa otchaEvery word from Chichewa otchetsa