The city that went out by a thousand— "The city which was able to furnish out a thousand men for war, shall have only a hundred of them left. Only one in ten of them shall escape the sword, and other chances of war." This was the exhausted state of Israel, when Salmaneser attacked and took Samaria, and carried them into captivity.
Related Commentaries of Amos 5:3
Amos 5:3
3 For thus saith the Lord GOD; The city that went out by a thousand shall leave an hundred, and that which went forth by an hundred shall leave ten, to the house of Israel.