Exodus 12:7
They shall take some of the blood, and put it on the two door posts and on the lintel, on the houses in which they shall eat it.
World English Bible (Public Domain)
In context
Before · Exodus 12:5–6
5Your lamb shall be without defect, a male a year old. You shall take it from the sheep or from the goats. 6You shall keep it until the fourteenth day of the same month; and the whole assembly of the congregation of Israel shall kill it at evening.
7They shall take some of the blood, and put it on the two door posts and on the lintel, on the houses in which they shall eat it.