re·cuse 
(rĭ-kyz)
(rĭ-kyz)tr.v. re·cused, re·cus·ing, re·cus·es
To disqualify or seek to disqualify (a judge or juror) from participation in the decision in a case, as for personal prejudice against a party or for personal interest in the outcome.
[Middle English recusen, ultimately (partly via Old French recuser) from Latin recūsāre : re-, re- + causa, lawsuit; see CAUSE.]
re·cusal (-kyzəl) n.