dispersuadev.
Etymology: dis- prefix 2a.Previous versions of the OED give the stress as: disperˈsuade.
the mind > will > motivation > demotivation > demotivate [verb (transitive)] > dissuade
1951 W. H. Auden (1952) 17 Nothing..can..dispersuade the Furies.
This entry has not yet been fully updated (first published 1972; most recently modified version published online September 2019).