abjure

verb (used with object), ab·jured, ab·jur·ing.

1. to renounce, repudiate, or retract, especially with formal solemnity; recant: to abjure one’s errors.
2. to renounce or give up under oath; forswear: to abjure allegiance.
3. to avoid or shun.

verb (tr)

1. to renounce or retract, esp formally, solemnly, or under oath
2. to abstain from or reject

v.

early 15c., from Middle French abjurer or directly from Latin abiurare “deny on oath,” from ab- “away” (see ab-) + iurare “to swear,” related to ius (genitive iuris) “law” (see jurist). Related: Abjured; abjuring.