From ⲛⲏⲉⲧ- (nēet-) + ⲙⲱⲩⲧ (mōut), literally meaning "those who are dead".
ⲛⲏⲉⲑⲙⲱⲩⲧ (nēetʰmōut) pl.
Determiners are excluded from pre-determinative nouns.