יָצָ֙אתָ֙ לְיֵ֣שַׁע עַמֶּ֔ךָ לְיֵ֖שַׁע אֶת־מְשִׁיחֶ֑ךָ מָחַ֤צְתָּ רֹּאשׁ֙ מִבֵּ֣ית רָשָׁ֔ע עָר֛וֹת יְס֥וֹד עַד־צַוָּ֖אר סֶֽלָה׃ (פ)
Thou art come forth for the deliverance of Thy people, for the deliverance of Thine anointed; Thou woundest the head out of the house of the wicked, uncovering the foundation even unto the neck. Selah
Rashi on Habakkuk
uncovering it from the foundation The walls of their enemies.