O LORD God of hosts. Hebrew. Jehovah. Elohim Zebaioth. See note on 1 Samuel 1:3. Not common in the Psalms, but occurring in Psalms 59:6 and Psalms 84:8.
How long... ? Figure of speech Erotesis. App-6.
Related Commentaries of Psalms 80:4
Psalms 80:4
4 O LORD God of hosts, how long wilt thou be angry against the prayer of thy people?