1 Samuel 17:16 in the King James Version
And the Philistine drew near morning and evening, and presented himself forty days.
Context
15 Now David went back and forth from Saul to feed his father’s sheep at Bethlehem.
16 The Philistine came near morning and evening, and presented himself forty days.
17 Jesse said to David his son, “Now take for your brothers an ephah of this parched grain and these ten loaves, and carry them quickly to the camp to your brothers;