Apart from the reverence for the threshold demanded of those who pass over it, there is an obvious sanctity of the threshold recognized in the placing of images and amulets underneath it, and in the sacrifices and offerings placed on it, as a means of guarding the dwelling within.
In the building of private houses, as well as temples, and city gateways, in ancient Assyria, images of various kinds and sizes, “in bronze, red jasper, yellow stone, and baked earth, ... are buried beneath the stones of the threshold, so as to bar the entrance to all destructive spirits.” Invocations are graven upon these figures.[33]
Herodotus mentions[34] that, in the annual feast in honor of the god Osiris, “every Egyptian sacrifices a hog before the door of his house” on the evening before the festival. Osiris was the god who was the judge of the soul after death, and who in a peculiar sense stood for the truth of the life to come. Every Egyptian desired, above all, to be in loving covenant with Osiris, and when he would offer a welcoming sacrifice to him, he did so before the door of his own house, as before the primitive family altar. That it was the _blood_ poured out at the threshold which was the essential act of covenanting in this sacrifice to Osiris, is evidenced in the fact that the animal sacrificed was not eaten in the family of the sacrificer, but was carried away by the swineherd who furnished it.
Bunches of grass dipped in blood, and touched by the king, as if made representative of his dignity and power, are to-day placed on the threshold, as an offering, and as averters of evil, in Equatorial Africa. This is known there as an ancient custom. In Uganda, “every house has charms hung on the door, and others laid on the threshold.” An offering to the _lubare_, or local spirit, must be thrown across the threshold, from within the house, before a native ventures to leave his home in the morning.[35] Charms for this purpose are kept behind the door.
One of the requirements in the Vedic law (the sacred law of the Hindoos) was, that “on the door-sill (a bali must be placed) with a mantra addressed to Antariksha (the air),”[36] by a house father, in his home;[37] that is, that an offering, with an invocation to a deity, should be a sacrifice at the threshold altar. Other references in the Hindoo laws seem to demand bali offerings “at all the doors, as many as they are,” in a house, and evidence the importance and sacredness attaching to the doorway.[38]