An example of aphasia is not being able to speak after a bad head injury.
Origin of aphasiaModern Latin from Classical Greek from aphatos, unuttered from a-, not + phatos from phanai, to say: see phono-
Origin of aphasiaGreek from aphatos speechless a- not ; see a- 1. phatos spoken, speakable ( from phanai to speak ; see -phasia . )
(countable and uncountable, plural aphasias)
Modern Latin, from Ancient Greek ἀφασία (aphasia), from ἄφατος (aphatos, “speechless”), from ἀ- (a-, “not”) + φάσις (phasis, “speech”).