Exodus 12:44
But any slave of a man, an acquisition by money, and you have circumcised him, then he may eat it.
Genesis 17:12-13
And {at eight days of age} you shall yourselves circumcise every male [belonging] to your generations [and] {the servant born in your house and the one bought from any foreigner} who is not from your offspring.
Genesis 17:23
And Abraham took Ishmael his son and all who were born of his house, and all [those] acquired by his money, every male among the men of Abraham's house, and he circumcised the flesh of their foreskin on the same day that God spoke with 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
And {at eight days of age} you shall yourselves circumcise every male [belonging] to your generations [and] {the servant born in your house and the one bought from any foreigner} who is not from your offspring.
General references
Leviticus 25:44
" 'As for your slave and your slave woman who are yours, from the nations that [are] all around you, from them you may buy a slave or a slave woman.