Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
rĕ-pignĕro (rĕpignŏro), āre, v. n., to redeem a pledge, Dig. 13, 6, 5, § 12; Paul. ex Fest. s. v. reluere, p. 280, and Fest. p. 281 Müll.