per·jure 
(pûrjər)
(pûrjər)tr.v. per·jured, per·jur·ing, per·jures
Law
Law
To make (oneself) guilty of perjury.
[Middle English perjuren, from Old French perjurer, from Latin periūrāre : per-, per- + iūrāre, to swear; see yewes- in the Appendix of Indo-European roots.]
perjur·er n.