through the agency of

From LSJ

αὐτόχειρες οὔτε τῶν ἀγαθῶν οὔτε τῶν κακῶν γίγνονται τῶν συμβαινόντων αὐτοῖς → for not with their own hands do they deal out the blessings and curses that befall us

Source

English > Greek (Woodhouse Extra)

διά, ἕκατι