The meaning of “כֹּחַ”

“And ye know that with all my power I have served your father.”

“And Joshua spake unto the house of Joseph, even to Ephraim and to Manasseh, saying, Thou art a great people, and hast great power: thou shalt not have one lot only:”

“Both riches and honour come of thee, and thou reignest over all; and in thine hand is power and might; and in thine hand it is to make great, and to give strength unto all.”

“Which by his strength setteth fast the mountains; being girded with power:”

“The yoke of my transgressions is bound by his hand: they are wreathed, and come up upon my neck: he hath made my strength to fall, the Lord hath delivered me into their hands, from whom I am not able to rise up.”