prepone means to reschedule to a time earlier than the current scheduled time. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
prepone is pronounced /ˈpriːˌpoːn/.
verb
- To reschedule to a time earlier than the current scheduled time.
- To place or set (something) before.“I do pꝛepone and ſet the Loꝛd alwaye befoꝛe myne eyes: He is ſtyll at my right hande, leaſte I fall in anye wyſe.”