'Spring' in the Bible

Then the hand of the Lord was heavy on the people of Ashdod, and He caused them to be dumbfounded and struck them with tumors, both Ashdod and its territory.

And they arose early: and it came to pass about the spring of the day, that Samuel called Saul to the top of the house, saying, Up, that I may send thee away. And Saul arose, and they went out both of them, he and Samuel, abroad.

Then he himself went to Ramah, and came to the great water-spring in Secu; and questioning the people he said, Where are Samuel and David? And one said, They are at Naioth in Ramah.

The Philistines brought all their military units together at Aphek while Israel was camped by the spring in Jezreel.