change, replace, more

更 is composed of a variant of 丙 (third) and a variant of 攴 (strike). 丙 is a pictograph of a stove or fire, while 攴 depicts a hand holding a stick. Thus, 更 represents the act of replacing firewood in a stove, meaning to change or substitute. Additionally, after replacing the firewood, the stove's fire burns more intensely, so 更 also carries the meaning of even more or further.