暴力
ぼうりょく · bouryoku · JLPT N1 · noun
violence
👊 暴 (violent, raging) + 力 (force) = violent force, which is violence
暴 originally meant a storm or sudden outburst, and it carries the sense of brutality. 力 means force or strength. Together they name brutal, forceful harm done to others.
力 — pictograph of a plow or arm muscle
力 originated as a pictograph of an ancient plow, the main tool requiring physical exertion in early agriculture. Some scholars also see it as a flexed arm showing muscle. From this concrete image it broadened to mean 'strength, power, force, effort'.