וַיְהִ֗י כִּ֣י אָֽרְכוּ־ל֥וֹ שָׁם֙ הַיָּמִ֔ים וַיַּשְׁקֵ֗ף אֲבִימֶ֙לֶךְ֙ מֶ֣לֶךְ פְּלִשְׁתִּ֔ים בְּעַ֖ד הַֽחַלּ֑וֹן וַיַּ֗רְא וְהִנֵּ֤ה יִצְחָק֙ מְצַחֵ֔ק אֵ֖ת רִבְקָ֥ה אִשְׁתּֽוֹ׃
Targum Jonathan on Genesis
And it was when days had increased to him in abiding there, that Abimelek the king of the Philistaee looked from a window, and beheld, and Izhak was disporting with Rivekah his wife.