'Releasing' in the Bible

And Moses said, "Look, I [am] going out from you, and I will pray to Yahweh so that the flies depart from Pharaoh, from his servants, and from his people tomorrow. Only let not Pharaoh again deceive [us] by not releasing the people to sacrifice to Yahweh."

Still you [are] behaving haughtily to my people by not releasing them.

And Yahweh said to Moses, "Still one plague I will bring upon Pharaoh and upon Egypt; afterward he will release you from here. At the moment of his releasing, he will certainly drive you completely out from here.