The Philistines arrayed themselves against Israel, and as the battle spread, Israel was defeated by the Philistines, who struck down about four thousand men on the battlefield.
Jewish Publication Society of America Version (JPS1917) - 1 Samuel 4:2 >And the Philistines put themselves in array against Israel; and when the battle was spread, Israel was smitten before the Philistines; and they slew of the army in the field about four thousand men.