'Wrestling' in the Bible

and he seeth that he is not able for him, and he cometh against the hollow of his thigh, and the hollow of Jacob's thigh is disjointed in his wrestling with him;

Capturing the wise in their subtilty, And the counsel of wrestling ones was hastened,

because we have not the wrestling with blood and flesh, but with the principalities, with the authorities, with the world-rulers of the darkness of this age, with the spiritual things of the evil in the heavenly places;