gĕnethlĭăcus — Lewis & Short
gĕnethlĭăcus, a, um, adj., = geneqliako/s,
I of or belonging to one's natal hour or nativity, genethliacal.
I adj.:
ratio,the art of calculating nativities, Arn. 2, 116; cf. in the foll.—
II Subst.
A gene-thliacus, i, m., a calculator of nativities, Gell. 14, 1, 1.—
B genethliace, ēs, f., the art of calculating nativities, genethliacs, Mart. Cap. 3, § 228; 9, § 894.—
C Gene-thliacon, i, n., a birth-day poem, the title of a poem by Statius, Stat. S. 2, 7.