23 For Hashem will pass through to strike the Mitzrayim; and when He seeth the dahm upon the mashkof, and on the two mezuzot, Hashem will pasach (pass over, spare, skip) the entrance, and will not permit the Mashkhit (Destroyer),12:23 i.e., Hashemʼs emissary of judgment, see Num 22:31 on the Malach Hashem to enter unto your batim to strike.