וַיֹּ֣אמֶר אַבְרָהָ֗ם אֶל־עַבְדּוֹ֙ זְקַ֣ן בֵּית֔וֹ הַמֹּשֵׁ֖ל בְּכָל־אֲשֶׁר־ל֑וֹ שִֽׂים־נָ֥א יָדְךָ֖ תַּ֥חַת יְרֵכִֽי׃
And Abraham said unto his servant, the elder of his house, that ruled over all that he had: ‘Put, I pray thee, thy hand under my thigh.
Targum Jonathan on Genesis
And Abraham said to Eliezer his servant, the senior of his house, who had rule over all his property, Put now thy hand upon the section of my circumcision.
Targum Jerusalem
And Abraham said to his servant, the ruler who had rule over all that was his, Put now thy hand under the thigh of my covenant.