Easton's Bible Dictionary The Jews were commanded to write the divine name on the posts (mezuzoth') of their doors (Deuteronomy 6:9). The Jews, misunderstanding this injunction, adopted the custom of writing on a slip of parchment these verses (Deuteronomy 6:4-9, and 11:13-21), which they enclosed in a reed or cylinder and fixed on the right-hand door-post of every room in the house.

Multi-Version Concordance Door-posts (11 Occurrences) Exodus 12:7 And they shall take of the blood, and put it on the two door-posts and on the lintel of the houses in which they eat it. (DBY) Exodus 12:22 And take a bunch of hyssop, and dip it in the blood that is in the bason, and smear the lintel and the two door-posts with the blood that is in the bason; and none of you shall go out of the door of his house until the morning. (DBY) Exodus 12:23 And Jehovah will pass through to smite the Egyptians; and when he sees the blood on the lintel, and on the two door-posts, Jehovah will pass over the door, and will not suffer the destroyer to come into your houses to smite you. (DBY) Deuteronomy 6:9 And thou shalt write them upon the door-posts of thy house, and upon thy gates. (ASV JPS YLT) Deuteronomy 11:20 And thou shalt write them upon the door-posts of thy house, and upon thy gates; (ASV JPS) 1 Kings 6:31 And for the entrance of the oracle he made doors of olive-wood: the lintel and door-posts were a fifth part of the wall. (ASV JPS) 1 Kings 6:33 So also made he for the entrance of the temple door-posts of olive-wood, out of a fourth part of the wall; (ASV JPS) 2 Kings 18:16 At that time did Hezekiah cut off the gold from the doors of the temple of Jehovah, and from the pillars which Hezekiah king of Judah had overlaid, and gave it to the king of Assyria. (See JPS) Proverbs 8:34 O the happiness of the man hearkening to me, To watch at my doors day by day, To watch at the door-posts of my entrance. (YLT) Ezekiel 41:21 As for the temple, the door-posts were squared; and as for the face of the sanctuary, the appearance 'thereof' was as the appearance 'of the temple'. (ASV DBY) Ezekiel 45:19 And the priest shall take of the blood of the sin-offering, and put it upon the door-posts of the house, and upon the four corners of the ledge of the altar, and upon the posts of the gate of the inner court. (ASV JPS)