voiceless
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
P. and V. ἄφωνος, V. ἄφθεγκτος, ἄφθογγος, ἄναυδος, ἀφώνητος, ἀπόφθεγκτος; see dumb, silent.