NET
8 After Isaac had been there a long time, Abimelech king of the Philistines happened to look out a window and observed Isaac caressing his wife Rebekah.
Darby
8 And it came to pass when he had been there some time, that Abimelech the king of the Philistines looked out of the window, and saw, and behold, Isaac was dallying with Rebecca his wife.
KJV
8 And it came to pass, when he had been there a long time, that Abimelech king of the Philistines looked out at a window, and saw, and, behold, Isaac [was] sporting with Rebekah his wife.