The Hebrew noun birah refers to a palace, fortress, or citadel — used of royal palaces and, most significantly, of the Temple complex in Jerusalem. It is an Aramaic loanword reflecting Persian-period administrative language, denoting a fortified center of power and governance.
In Nehemiah 2:8, Nehemiah requests timber for 'the fortress (birah) adjoining the temple.' The Temple hill itself is called the birah — God's stronghold among His people. True power and security reside where God's presence dwells, anticipating the New Jerusalem where God himself is the temple (Revelation 21:22).