Where does “kukuzga” come from?

kukuzga (Tumbuka) comes from Tumbuka kuzga, from Tumbuka kura, from Proto-Bantu -kʊ́da — to grow up.

Ancestry of “kukuzga”, step by step

StepLanguageWordMeaning
1Tumbukakuzga—
2Tumbukakurato grow
3Proto-Bantu-kʊ́dato grow up
Every word from Proto-Bantu -kʊ́da →Every word from Tumbuka kura →Every word from Tumbuka kuzga →