Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Cascellĭus (Casell-), a, the name of a Roman gens, Varr. L. L. 9, § 71, p. 145 Bip.; Cic. Balb. 19, 45; id. Q. Fr. 1, 2, 2, § 5.
Esp.: A. Cascellius, a distinguished Roman lawyer in the time of Augustus, Hor. A. P. 371; Macr. S. 2, 6; Val. Max. 6, 2, 12; Dig. 1, 2, 2, § 45; Spald. ad Quint. 6, 3, 87.
Hence, Cascellianum judicium, Gai Inst. 4, 166; cf. id. ib. 4, 169.