[2493] sardonyx, ychis, Akk. Plur. ychas, c. (σαρδόνυξ), der Sardonyx, ein Edelstein, fem., Plin. 37, 86 sqq. Pers. 1, 16. Iuven. 7, 144: masc., Iuven. 6, 382. Mart. 4, 28, 4. – Akk. Sing. auch sardonycem, Hieron. in Isai. 15, 54. v. 11 u. 12, sardonychen, Prud. psych. 860: Genet. Plur. sardonychum, Iuven. 13, 139: Akk. Plur. sardonychas, Mart. 5, 11, 1. – Ders. lapis sardonychus, Vulg. Iob 28, 16.