'Threshold' in the Bible

I brought them to the LORD's Temple to the office of the descendants of Igdaliah's son Hanan, the man of God, which was next to the office of the officials, and which was above the office of Shallum's son Maaseiah, the keeper of the threshold.

And the chief of the executioners taketh Seraiah the head priest, and Zephaniah the second priest, and the three keepers of the threshold,