Where does “safetsa” come from?

safetsa (Chichewa) comes from Chichewa fetsa, from Chichewa fa, from Proto-Bantu -kúa, from Proto-Atlantic-Congo *kwwú- — to die.

Ancestry of “safetsa”, step by step

StepLanguageWordMeaning
1Chichewafetsato sow
2Chichewafato die
3Proto-Bantu-kúato die
4Proto-Atlantic-Congo*kwwú-to die
Every word from Proto-Atlantic-Congo *kwwú- →Every word from Proto-Bantu -kúa →Every word from Chichewa fa →