Genesis 12:3

The word for ground here is adamah (H127). It comes back in God's promise to Abram, "all the families of the earth will be blessed through you" (Genesis 12:3), where earth is adamah. The cursed ground will carry blessing through Abram's family, and Paul says the promised offspring is "One, who is Christ" (Galatians 3:16).

Genesis 10 lists the nations of the earth by name just before this promise. So when God calls Abram and promises that "all the families of the earth will be blessed through you," the reader already knows who those families are, because Genesis has just named them.

Here God widens His promise to Abram until it takes in the whole world: "all the families of the earth will be blessed through you." A childless couple from a pagan city were told they would bless every family on earth, and only the God who spoke it could make that happen.

Years later Laban, a man who read omens, grew rich because Abraham's grandson Jacob kept his sheep. His growing flocks were a small piece of this promise to bless all families through Abraham, and God kept that promise in full in Jesus.