Akhet

The concept of the Akhet was a practical explanation of why light fades gradually after sunset and appears gradually before sunrise, instead of disappearing and reappearing with the sun all at once.

Source: wiktionary

Within the tomb, indeed within the coffin, the ‘house of life’, the deceased lay facing the east and the world of the living, the Akhet, and the rising sun.

Source: wiktionary

Recitation. The sky’s two reedfloats have been set by the Dayboat for the Sun, that the Sun might cross on them to where Horus of the Akhet is, to the Akhet.

Source: wiktionary

To the east and west were the akhets, or horizons — liminal zones in which the sun god and the dead king were prepared, either for rebirth into the upper world on the east or for successful entry into the other world on the west, the place of death and burial.

Source: wiktionary