Genesis 21:4
And Abraham circumcised his son Isaac being eight days old, as Elohim had commanded him.
ā The Restored Word Bible
Context
2 For Sarah conceived, and bare Abraham a son in his old age, at the set time of which Elohim had spoken to him.
3 And Abraham called the name of his son that was born unto him, whom Sarah bare to him, Isaac.
4 And Abraham circumcised his son Isaac being eight days old, as Elohim had commanded him.
5 And Abraham was an hundred years old, when his son Isaac was born unto him.
6 And Sarah said, Elohim has made me to laugh, all that hear will laugh with me.