Shebarim — i.e., the crevices, or ravines. A short distance below Ai the road passes the head of steep glens, which open into the plain of Jordan.
In the going down — i.e., until they escaped into these ravines.
Related Commentaries of Joshua 7:5
Joshua 7:5
5 And the men of Ai smote of them about thirty and six men: for they chased them from before the gate even unto Shebarim, and smote them in the going down: wherefore the hearts of the people melted, and became as water.