Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† astĕriscus, i, m., = ἀστερίσκος, a small star, an asterisk, as a typographical mark placed before imperfect, deficient passages of authors: * asteriscus apponitur in his, quae omissa sunt, Isid. Orig. 1, 20, 2; so Hier. in Rufin. 2, 8; Aug. Ep. ad Hier. 10, 2 al.