'Threshold' in the Bible

and I brought them into the house of Yahweh, into the room of the sons of Hanan the son of Igdaliah, the man of God, which was by the room of the princes, which was above the room of Maaseiah the son of Shallum, the keeper of the threshold.

The captain of the guard took Seraiah the chief priest, and Zephaniah the second priest, and the three keepers of the threshold: