Charles Ellicott Commentary Nehemiah 12:25

"Mattaniah, and Bakbukiah, Obadiah, Meshullam, Talmon, Akkub, were porters keeping the watch at the store-houses of the gates." — Nehemiah 12:25 (ASV)

At the thresholds. — At the treasuries, or store-chambers attached to the several gates of the Temple.