TSK · Genesis 24:2

And the servant put his hand under the thigh of Abraham his master, and sware to him concerning this matter.

But he refused, and said unto his master's wife, Behold, my master knoweth not what is with me in the house, and he hath put all that he hath into my hand:

And the time drew near that Israel must die: and he called his son Joseph, and said unto him, If now I have found favor in thy sight, put, I pray thee, thy hand under my thigh, and deal kindly and truly with me: bury me not, I pray thee, in Egypt;

And the servant that was set over the reapers answered and said, It is the Moabitish damsel that came back with Naomi out of the country of Moab:

Let the elders that rule well be counted worthy of double honor, especially those who labor in the word and in teaching.