Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ab-jūro, āvi, ātum, 1, v. a. (abjurassit for abjuraverit, Plaut. Pers. 4, 3, 9), to deny any thing on oath: rem alicui. ne quis mihi in jure abjurassit, Plaut. Pers. 4, 3, 9: pecuniam, id. Rud. prol. 14: creditum, Sall. C. 25, 4.
Absol., Plaut. Curc. 4, 2, 10; cf.: mihi abjurare certius est quam dependere, * Cic. Att. 1, 8, 3.
Poet.: abjuratae rapinae, abjured, denied on oath, Verg. A. 8, 263.