supervene
v.
1640s, "come as something additional," from Latin supervenire "come on top of, come in addition to, come after, follow upon," from super "over, upon" (see super-) + venire "come" (see venue). Related: Supervened; supervening.
〔蒋〕[super-上面，ven来;’由上面来”→降临→突然发生] 意外发生