Out of the door of his house Of that house wherein he ate the passover: until the morning That is, till toward the morning, when they would be called for to march out of Egypt; for they went forth very early in the morning. This command was peculiar to the first passover.
Related Commentaries of Exodus 12:22
Exodus 12:22
22 And ye shall take a bunch of hyssop, and dip it in the blood that is in the bason, and strike the lintel and the two side posts with the blood that is in the bason; and none of you shall go out at the door of his house until the morning.