Genesis 26:8 - Exposition

And it came to pass, when he had been there a long time (literally, when were prolonged to him there the days ), that Abimelech king of the philistines looked out at a window, and saw, and, behold, Isaac was sporting with Rebekah his wife — i . e . caressing and using playful liberties with her, which showed she was not a sister, but a wife— παίζοντα ( LXX .), jocantem (Vulgate).