I will break the gate-bar of Damascus, and cut off the inhabitants from the Valley of Aven, and him who holds the scepter from Beth-eden; and the people of Syria shall go into exile to Kir,” says the LORD.
He then adds, I will break in pieces the bar of Damascus The Prophet confirms what he had already said; for Damascus, being strongly fortified, might have seemed unassailable. By bar, the Prophet, mentioning a part for the whole, meant strongholds and everything which could keep out enemies. Nothing, then, shall prevent enemies from taking possession of the city of Damascus. How so?
What the Lord says here may be explained by what he says Jer 12:14, Thus said the Lord, against all my evil neighbours that touch the inheritance of my people Israel, Behold, I will pluck them out. Damascus was a near neighbour to Israel on the north, Tyre and Gaza on the west, Edom on the south, Ammon and (in the next chapter) Moab on...
Commenting on Amos 1:3-15
I will break also the bar of Damascus,.... Or bars, the singular for the plural, by which the gates of the city were barred; and, being broken, the gates would be easily opened, and way made for the enemy to pass into the city and spoil it; or it may signify the whole strength and all the fortifications of it.