S / sulfŭrĕus
adjective

sulfŭrĕus

fem. sulfŭrea · neut. sulfŭreum
like sulphur
of or like sulphur, sulphurous, sulphureous: fornaces, Ov. M. 15, 340: aqua, Verg. A. 7, 517: lux fulminum, Plin. 35, 15, 50, § 177: color, id. 35, 6, 25, § 41: odor, id. 36, 19, 34, § 141.