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Aphasia

/əˈfeɪʒə/noun

Loss or impairment of the ability to produce or understand language, usually after damage to the brain.

The Greek roots

ἀ-
a-
not, without
+
φάσις
phásis
utterance, speech

Literally: speechlessness

The story of the word

Greek ἀφασία meant plain speechlessness, and the Sceptic philosophers used it as a technical term for the refusal to assert anything at all. Broca called the disorder aphemia in 1861; Trousseau objected that aphemia leaned on a Greek word for ill repute and proposed aphasia in 1864, which won. What is lost is language, not intelligence and not the voice, a distinction families still find hard to hold on to.

How it travelled
Ancient Greek → scientific coinage → English
First recorded
1860s

Same family

dysphasiapropheteuphemismblasphemy

In a sentence

After the stroke he had the words in his head and no way to get them out.

Built on the same root

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