Lewis & Short

smăragdĭnus (zmăr-; smar- with long a, Prud. Psych. 862), a, um, adj., = σμαράγδινος, of or belonging to the emerald, smaragdine: emplastrum (on account of its green color), Cels. 5, 19, 4; cf. prata, Prud. l. l.: lapis, Vulg. Esth. 1, 6.
Postclass. collat. form smăragdĭnĕus, a, um, adj.: viriditas, Mart. Cap. 1, § 66: postis, Ven. Carm. 8, 8, 18.