koach (Hebrew #3581)
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
KJV usage: ability, able, chameleon, force, fruits, might, power(-ful), strength, substance, wealth.
Pronounce: ko'-akh
Origin: or (Dan. 11:6) kowach {ko'-akh}