aphasia
noun/əˈfeɪziə/
/əˈfeɪʒə/
[uncountable] (medical)- the loss of the ability to understand or produce speech, because of brain damageTopics Disabilityc2Word Originmid 19th cent.: from Greek, from aphatos ‘speechless’, from a- ‘not’ + phanai ‘speak’.
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aphasia