To cut — Hebrew speaks of ‘cutting’ a covenant rather than merely making one
In Scripture World English Bible
In that day Yahweh made a covenant with Abram, saying, “To your seed I have given this land, from the river of Egypt to the great river, the river Euphrates:
Moses took the blood, and sprinkled it on the people, and said, “Look, this is the blood of the covenant, which Yahweh has made with you concerning all these words.”