Reference for II Kings 4:18

וַיִּגְדַּ֖ל הַיָּ֑לֶד וַיְהִ֣י הַיּ֔וֹם וַיֵּצֵ֥א אֶל־אָבִ֖יו אֶל־הַקֹּצְרִֽים׃

And when the child was grown, it fell on a day, that he went out to his father to the reapers.