EXO 12:22

22 Let the lamb’s blood [drain into] a basin. Get a bunch/sprig of ◄hyssop/a very leafy plant► and dip it in the blood. Then smear some of the blood on the doorposts and the ◄lintels/beams above the doorways► [of your houses]. The people in each house must all stay inside the house until the next morning.