ㄑㄧˇㄧㄣyīn

  1. 事情發生原因電線走火可能這次火災起因。」」。原由原因

cause, a factor (leading to an effect)​
cause, origine
Herbeiführung (S)​, Motiv (S)​, Motivation (S)​, Motor (S)​, Ursache, Entstehungsgrund (S)​, Veranlassung (S)​