Help us, O God of our salvation, for the glory of thy name: and deliver us, and purge away our sins, for thy name's sake. Purge away our sins - כפר capper, be propitiated, or receive an atonement (על חטאתינו al chattotheynu) on account of our sins.
Related Commentaries of Psalms 79:9
Psalms 79:9
9 Help us, O God of our salvation, for the glory of thy name: and deliver us, and purge away our sins, for thy name's sake.