Dictionary entry

σεαυτοῦ

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

σεαυτοῦ, -ῆς, -οῦ

(in NT not contracted, σαυτοῦ, as in Att..),

reflex. prop. of 2nd pers. sing., used only in gen., dat. and acc.

(of, to) thyself: Mt 4:6, Jo 8:13, I Ti 4:16, al. (In Hellenistic, the pl. is ἑαυτῶν (q.v.), not ὑμῶν αὐτῶν as in Attic, v. Bl., § 13, 1.) †