discommon

verb4

1. •
   To exclude from using a commonable resource, such as land.

   • Whiles thou discommonest thy neighbours keyne, And warn'st that none feed on thy field saue thine;." — 1825
2. •
   (UK, historical) To deprive of the privilege of citizenship of a town or city.
3. •
   (UK, historical) To deprive of the right to deal with undergraduates.

   • […] persons violating the above statute are liable to a fine for the first offence, and to be discommoned for the second. — 1851
4. •
   (historical) To deprive (lands etc.) of commonable quality, by enclosing or appropriating.

   • […]acres had already been discommoned – that is, they were no longer available to tenants, cottagers and freeholders[…] — 2003