σεαυτοῦseautoû
of (with, to) thyself
Greek (New Testament) · G4572
Meanings
(of, to) thyself: Matthew 4:6, John 8:13, 1 Timothy 4:16, and elsewhere (In Hellenistic, the plural is ἑαυτῶν (see that word), not ὑμῶν αὐτῶν as in Attic, see Bl., § 13, 1.)
Same root
Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.