～力
～りょく · ～ryoku · JLPT N2 · noun
power of ~
💪 ～力 = the power of ~: 電力 = electric + power, 学力 = study + power
The kanji 力 started as a drawing of a plough or a flexed arm, so it means strength. As a suffix it turns a noun into a kind of ability: 体力 is physical strength, 想像力 is creativity, and 魅力 is charm.
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'.