From a (as a negative particle) and phone; voiceless, i.e. Mute (by nature or choice); figuratively, unmeaning -- dumb, without signification.
see GREEK a
see GREEK phone
ἄφωνα (aphōna) − 1 Occurrence
ἄφωνον (aphōnon) − 2 Occurrences
ἄφωνος (aphōnos) − 1 Occurrence