'Door post' in the Bible

his master will present him to God and bring him to the door or to the doorpost, and his master will pierce his ear with an awl, and he will serve him forever.

Then Hannah got up after eating and drinking at Shiloh. (Now Eli the priest [was] sitting on his chair by the doorpost of the temple of Yahweh.)

He made doors of olive wood for the doorway of the inner sanctuary, [as well as for] the doorpost of the fifth doorframe.

And you have set your symbol behind the door and the doorpost; for you depart from me, and you go up; you make your bed wide, and you {make a deal with} them, you have loved their bed; you have seen [their] {genitals}.