From Longman Dictionary of Contemporary Englishdecampde‧camp /dɪˈkæmp/ verb [intransitive] formal LEAVE A PLACEto leave a place quicklydecamp to/from The wealthier inhabitants decamped to the suburbs.→ See Verb table
Examples from the Corpus
decamp• Much energy-intensive industry would then decamp to the third world.• The secretary decamped with the organization's money.decamp to/from• They all decamp to Karen Farnan's in Wiltshire Lane.• Much energy-intensive industry would then decamp to the third world.Origin decamp (1600-1700) French décamper, from camper “to camp” 