'Door post' in the Bible

then his master shall bring him unto God, and shall bring him to the door, or unto the door-post; and his master shall bore his ear through with an awl; and he shall serve him for ever.

So Hannah rose up after they had eaten in Shiloh, and after they had drunk. Now Eli the priest was sitting upon his seat by the door-post of the temple of Jehovah.

in their setting of their threshold by my threshold, and their door-post beside my door-post, and there was but the wall between me and them; and they have defiled my holy name by their abominations which they have committed: wherefore I have consumed them in mine anger.