Where does “Єгѷптъ” come from?

Єгѷптъ (Old Church Slavonic) comes from Ancient Greek Αἴγυπτος, from Mycenaean Greek aikupitos, from Egyptian ḥwt-kꜣ-ptḥ, from Egyptian kꜣ, from Egyptian ḥr, from Proto-Afro-Asiatic x̣al.