, or in the masculine form
, is the name of the mythological serpent which personifies the subterranean path from West to East of the Sun’s nightly course. In the Book of Hades (e.g. on the Sarcophagus of Seti, passim) it is represented as extending over the back, top and front of the shrine in which the Sun-god is borne in his Bark. The many folds of the serpent are symbolical of the turnings and windings of the river or canal (
) over which the god is conveyed. This river is here described as infinite in length. This is one of the instances from which it is clear