Curtains - The hangings of the tents.
Fear is on every side - Magor-missabib (see Jeremiah 6:25 note); a cry, indicating the panic which followed the unexpected onset of the enemy.
Related Commentaries of Jeremiah 49:29
Jeremiah 49:29
29 Their tents and their flocks shall they take away: they shall take to themselves their curtains, and all their vessels, and their camels; and they shall cry unto them, Fear is on every side.