See Poole on "Jeremiah 49:19", where we have applied unto Edom all that is here spoken against Babylon.
Related Commentaries of Jeremiah 50:45
Jeremiah 50:45
45 Therefore hear ye the counsel of the LORD, that he hath taken against Babylon; and his purposes, that he hath purposed against the land of the Chaldeans: Surely the least of the flock shall draw them out: surely he shall make their habitation desolate with them.