He was with David at Pas-dammim when the Philistines gathered there for battle. At a place with a field full of barley, the troops fled from the Philistines.
KJV
He was with David at Pasdammim, and there the Philistines were gathered together to battle, where was a parcel of ground full of barley; and the people fled from before the Philistines.
ASV
He was with David at Pasdammim, and there the Philistines were gathered together to battle, where was a plot of ground full of barley; and the people fled from before the Philistines.