This false door, in front of which the offerings to the dead were originally laid, must go back to a primitive period in Egyptian history. Professor Flinders Petrie has shown that it is presupposed by the so-called Banner name of the Egyptian Pharaohs.(20) Ever since the first days of hieroglyphic decipherment, it has been known that besides the name or names given to the Pharaoh at birth, and commonly borne by him in life, he had another name not enclosed in a cartouche, but in something that resembled a banner, and was surmounted by the hawk of the god Horus. It actually represented, however, not a banner, but the panel above the false door of a tomb, and the name written within it was the name of the Ka of the Pharaoh rather than of the Pharaoh himself. It was accordingly the name by which he was known after death, the name inscribed on the objects buried in his tomb, and also the name under which he was worshipped whether in this life or in the next. As the Horus or deified leader who had subjugated the older inhabitants of Egypt and founded the Pharaonic dynasties, it was right and fitting that he should be known by the name of his Ka. It was not so much the Pharaoh that was adored by his subjects, as the Ka of the Pharaoh, and the Pharaoh was god because the blood of Horus flowed in his veins.
The earliest monuments of the Pharaohs yet discovered give almost invariably only the Ka-name of the king. The fact is doubtless due in great measure to their general character. With few exceptions they consist of tombstones and other sepulchral furniture. But the objects found in the foundations of the temple of Nekhen are also examples of the same fact. The fusion was not yet complete, at all events in the south, between the Pharaoh as man and the Pharaoh as god; it was his Ka that was divine, rather than the bodily husk in which it sojourned for a time.
The Ka accordingly occupies a prominent place in the names of the Pharaohs of the Old Empire, while the sacred art of the temples continued the ancient tradition down to the latest times. Horus and the Nile-gods, for instance, present the Ka of Amon-hotep III. along with the infant prince to the god of Thebes; and at Soleb the same Pharaoh is represented as making offerings to his own double.(21) Indeed, it is not unfrequent to find the king and his Ka thus separated from one another and set side by side; and at times the Ka becomes a mere symbol, planted like a standard at the monarch's back.