də̇s, (ˈ)dis+ transitive verb
Etymology: Middle English discomenen, from dis- (I) + comen, commun common (n.) — more at common
1. obsolete : to exclude or banish from a community of interest ; specifically : to deprive of citizenship or of church fellowship
2. at Oxford and Cambridge Universities : to forbid (a tradesman) to deal with undergraduates
3.
a. : to deprive of the right of common (as of pasture)
b. : to deprive of commonable quality (as land by enclosing it)