Coptic, the last stage of KMT and only stage in which vowels are written. Coptic contains a large number of Greek & foreign words, the bulk of its vocabulary is of Pharaonic Ancestry; in many cases going back to the earliest stages of the language.

Coptic is the evolution of centuries, even millennia, of linguistic evolution, in the course of which the grammar of KMT, including its phonoology, was subject to constant modification and change.