The fortress — All their fortresses; the singular number being put for the plural. Remnant — The remainders of Damascus and Syria shall be an headless body, a people without a king. Of Israel — Syria shall have as much glory as Israel; that is, neither of them shall have any at all.
Related Commentaries of Isaiah 17:3
Isaiah 17:3
3 The fortress also shall cease from Ephraim, and the kingdom from Damascus, and the remnant of Syria: they shall be as the glory of the children of Israel, saith the LORD of hosts.