Strong's Concordance
Original word: כֹּ֫חַ
Transliteration: koach
Definition (short): ability
Definition (full): a small reptile (of unknown species)
Strong's Exhaustive Concordance
Or (Dan. 11:6) kowach {ko'-akh}; from an unused root meaning to be firm; vigor, literally (force, in a good or a bad sense) or figuratively (capacity, means, produce); also (from its hardiness) a large lizard -- ability, able, chameleon, force, fruits, might, power(-ful), strength, substance, wealth.
References
KJV:
When thou tillest the ground, it shall not henceforth yield unto thee her strength; a fugitive and a vagabond shalt thou be in the earth.
NASB:
"When you cultivate the ground, it will no longer yield its strength to you; you will be a vagrant and a wanderer on the earth."
KJV:
And ye know that with all my power I have served your father.
NASB:
"You know that I have served your father with all my strength.
KJV:
Reuben, thou art my firstborn, my might, and the beginning of my strength, the excellency of dignity, and the excellency of power:
NASB:
"Reuben, you are my firstborn; My might and the beginning of my strength, Preeminent in dignity and preeminent in power.
KJV:
And in very deed for this cause have I raised thee up, for to shew in thee my power; and that my name may be declared throughout all the earth.
NASB:
"But, indeed, for this reason I have allowed you to remain, in order to show you My power and in order to proclaim My name through all the earth.