S / spŏdĭum
noun greek

spŏdĭum

gen. spŏdii · gender neuter · decl. 2nd
the dross of metals; slag; scoria
Lit., the dross of metals, slag, scoria, Plin. 34, 18, 50, § 170; 34, 18, 52, § 172.—
ashes by extension
Transf., ashes of vegetable matter, Plin. 23, 4, 38, § 76.