Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Ā̆dam, indecl. m., Charis. 94 P., or gen. Adae, also Ā̆dāmus, i, [??], Adam (A common in quantity, cf. Prud. Apoth. 759 and 1078, with Aus. Idyll. 1, 14).