Where does “ⲙⲛⲧ-” come from?

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

Ancestry of “ⲙⲛⲧ-”, 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 “ⲙⲛⲧ-

Every word from Proto-Afro-Asiatic -tEvery word from Egyptian -tEvery word from Egyptian mdt