Exodus 12:44

But any slave a man has purchased may eat it, after you have circumcised him.

Genesis 17:12-13

Throughout your generations, every male among you at eight days old is to be circumcised. This includes a slave born in your house and one purchased with money from any foreigner. The one who is not your offspring,

Genesis 17:23

Then Abraham took his son Ishmael and all the slaves born in his house or purchased with his money—every male among the members of Abraham’s household—and he circumcised the flesh of their foreskin on that very day, just as God had said to him.

Treasury of Scripture Knowledge

Summary

But every man's servant that is bought for money, when thou hast circumcised him, then shall he eat thereof.

Circumcised

General references

Bible References

Circumcised

Genesis 17:12
Throughout your generations, every male among you at eight days old is to be circumcised. This includes a slave born in your house and one purchased with money from any foreigner. The one who is not your offspring,

General references

Leviticus 25:44
Your male and female slaves are to be from the nations around you; you may purchase male and female slaves.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.