Herbert Weir Smyth, A Greek Grammar for Colleges

““τὰ ὅπλα παρέδοσαν καὶ σφᾶς αὐτούς” they surrendered their arms and themselves” T. 4.38, ““μισθώσα_ς αὑτόν” hiring himself out” D. 19.29 (not μισθωσάμενος, which means hiring for himself), ““καταλέλυκε τὴν αὐτὸς αὑτοῦ δυναστεία_ν” he himself has put an end to his own sovereignty” Aes. 3.233, ““ἠτί_μωκεν ἑαυτόν” he has dishonoured himself” D. 21.103. But regularly ἀπάγχεσθαι hang oneself (1717).

a. The active and a reflexive pronoun in the gen. or dat. may be used for the simple middle when the reflexive notion is emphatic: ““καταλείπειν συγγράμματα ἑαυτῶν” to leave behind them their written compositions” P. Phae. 257d.