From Ancient Greek νεκρόν (nekrón), accusative singular of νεκρός (nekrós, “a dead body, corpse”).
ⲛⲉⲕⲣⲟⲛ • (nekron) m (plural ⲛⲉⲕⲣⲟⲛ (nekron))
ⲛⲉⲕⲣⲟⲛ • (nekron)