ἑαυτοῦ
I. reflex. Pron. of 3rd pers., Lat. sui, sibi, se, of himself, herself, itself, etc.; first in Hdt. and attic; Hom. has ἕο αὐτοῦ, οἷ αὐτῷ, ἑ αὐτόν:—αὐτὸ ἐφ᾽ ἑαυτό itself by "itself, absolutely", Plat.; so τὸ ἐφ᾽ ἑαυτόν Thuc.; αὐτὸ καθ᾽ αὑτό Plat.;— ἀφ᾽ ἑαυτοῦ of "himself", Thuc., etc.; ἐν ἑαυτοῦ, ἐντὸς ἑαυτοῦ, Lat. sui compos: — παρ᾽ ἑαυτῷ at "his own" house, Xen.; often with comp. and Sup., ἐγένοντο ἀμείνονες αὐτοὶ ἑωυτῶν they surpassed themselves, Hdt.; πλουσιώτεροι ἑαυτῶν, i. e. continually richer, Thuc.
II. in attic αὑτοῦ, sometimes for 1st or 2nd pers., Aesch., Soph.