First attested around 1439. From Middle English abjuracioun, from Latin abiūrātiō (“forswearing, abjuration”), from ab (“from, away from”) + iūrō (“swear or take an oath”), from iūs (“law, right, duty”). Compare French abjuration.
abjuration (countable and uncountable, plural abjurations)
- A solemn recantation or renunciation on oath; as, an abjuration of heresy. [First attested around 1350 to 1470.]
- A repudiation on oath of a religious or political principle. [Mid 17 century.]
- The act of abjuring.