22 fasciculumque hysopi tinguite sanguine qui est in limine et aspergite ex eo superliminare et utrumque postem nullus vestrum egrediatur ostium domus suae usque mane
22
Take a bunch of hyssop, dip it into the blood in the basin and put some of the blood on the top and on both sides of the doorframe. None of you shall go out of the door of your house until morning.