oust

 
Pronunciation: /aʊst/

verb

[with object]
  • drive out or expel (someone) from a position or place: the reformists were ousted from power
  • Law deprive of or exclude from possession of something.
  • Law take away (a court’s jurisdiction) in a matter.

Origin:

late Middle English (as a legal term): from Anglo-Norman French ouster 'take away', from Latin obstare 'oppose, hinder'