Where does “ⲙⲉⲧ-” come from?

ⲙⲉⲧ- (Coptic) comes from Demotic mt, from Egyptian mdt, from Egyptian -t, from Proto-Afro-Asiatic -t.

Ancestry of “ⲙⲉⲧ-”, step by step

StepLanguageWordMeaning
1Demoticmtspeech, matter
2Egyptianmdtword; a speech; the text of a command
3Egyptian-tUsed to form feminine singular forms of nouns; An...
4Proto-Afro-Asiatic-t—

Words derived from “ⲙⲉⲧ-”

Every word from Proto-Afro-Asiatic -t →Every word from Egyptian -t →Every word from Egyptian mdt →