θεῖον

A. brimstone, used to fumigate and purify, δέπας . . ἐκάθηρε θεείῳ Il. 16.228; οἶσε θέειον . . , κακῶν ἄκος Od. 22.481; δεινὴ δὲ θεείου γίγνεται ὀδμή, from a thunderbolt, Il. 14.415; ἐν δὲ θεείου πλῆτο, of a ship struck by lightning, Od. 12.417; ἐμβαλόντες πῦρ ξὺν θ. Th. 2.77, cf. 4.100; Κύριος ἔβρεξεν ἐπὶ Σόδομα καὶ Γόμορρα θ. καὶ πῦρ LXX Ge. 19.24; as a natural product, Hp. Aër. 7, Ph. 2.21,143, Ti.Locr. 99c; θ. ἄπυρον Gal. 12.903; opp. πεπυρωμένον, Dsc. 5.107; cf. θεάφιον, θέαφος. (Perh. cogn. with θύω, θυμιάω, Lat. suffire.)