Parallel
Genesis 24:9
Westminster Leningrad Codex · Berean Standard Bible
וַיָּ֤שֶׂם הָעֶ֙בֶד֙ אֶת־ יָד֔וֹ תַּ֛חַת יֶ֥רֶךְ אַבְרָהָ֖ם אֲדֹנָ֑יו וַיִּשָּׁ֣בַֽע ל֔וֹ עַל־ הַדָּבָ֖ר הַזֶּֽה׃
So the servant placed his hand under the thigh of his master Abraham and swore an oath to him concerning this matter.