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”).