Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Ācrĭsĭus, ii, m., Ἀκρίσιος, King of Argos, son of Abas, and father of Danaë; unintentionally killed by his grandson, Perseus, Ov. M. 4, 608 sq.; Verg. A. 7, 372; Hor. C. 3, 16, 5 al.