Parallel
Exodus 12:7
Brenton's English Septuagint · Berean Standard Bible
And they shall take of the blood, and shall put it on the two door-posts, and on the lintel, in the houses in which soever they shall eat them.
They are to take some of the blood and put it on the sides and tops of the doorframes (note: Literally on the two doorposts and on the lintel; similarly in verses 22 and 23) of the houses where they eat the lambs.