Where does “jikuzga” come from?

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

Ancestry of “jikuzga”, step by step

Step	Language	Word	Meaning
1	Tumbuka	kuzga	—
2	Tumbuka	kura	to grow
3	Proto-Bantu	-kʊ́da	to grow up

Words derived from “jikuzga”

kujikuzga

Every word from Proto-Bantu -kʊ́da →Every word from Tumbuka kura →Every word from Tumbuka kuzga →