Parallel
Exodus 12:23
World English Bible British Edition · Berean Standard Bible
For the LORD will pass through to strike the Egyptians; and when he sees the blood on the lintel, and on the two door posts, the LORD will pass over the door, and will not allow the destroyer to come in to your houses to strike you.
When the LORD passes through to strike down the Egyptians, He will see the blood on the top and sides of the doorframe and will pass over that doorway; so He will not allow the destroyer to enter your houses and strike you down.