disattach

dis- +‎ attach

disattach (third-person singular simple present disattaches, present participle disattaching, simple past and past participle disattached)

1. (transitive) To detach.
   • 1909, George Willis Botsford, The Roman Assemblies from Their Origin to the End of the Republic:

     A political result, we may also say aim, of the frumentarian plebiscite of Gaius was to disattach the city populace from its conservative moorings and to enlist it in the service of reform.