Where does “kmj” come from?

kmj (Demotic) comes from Egyptian kmt, from Egyptian km, from Proto-Afroasiatic *kum-.

Ancestry of “kmj”, step by step

StepLanguageWordMeaning
1Egyptiankmta type of jar
2Egyptiankmto complete; black
3Proto-Afroasiatic*kum-—

Words derived from “kmj”

Every word from Proto-Afroasiatic *kum- →Every word from Egyptian km →Every word from Egyptian kmt →