H3581: כֹּחַ‎

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.

Транслітарацыя:
kôach kôach

Фанетыка:
ko'-akh, ko'-akh