Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. nĭhĭlo, v. nihil, II. δ.
‡ 2. nĭhĭlo, ōnis, m. [nihil], a good-fornothing fellow: οὐδαμινός, nihilo, nugatori. us, gerra, Vet. Gloss.