Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lĕvāmentum, i, n. [1. levo], an alleviation, mitigation, consolation, comfort (class.): miseriarum, Cic. Fin. 5, 19, 53: doloris, Plin. Ep. 8, 19: sine levamento, Tac. A. 4, 66: tributi, id. H. 1, 8: nec aliud levamentum quam si certis sub legibus militia iniretur, id. A. 1, 17: praestare, Plin. 30, 3, 8, § 23: mihi illam rem fore levamento, Cic. Att. 12, 43, 1.