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amentia

[ey-men-shuh, uh-men-] /eɪˈmɛn ʃə, əˈmɛn-/
noun, Psychiatry.
1.
lack of intellectual development; imbecility; severe mental retardation.
Origin
1350-1400
1350-1400; Middle English < Latin, equivalent to āment- (see ament2) + -ia -ia
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for amentia

amentia

/əˈmɛnʃə/
noun
1.
severe mental deficiency, usually congenital Compare dementia
Word Origin
C14: from Latin: insanity, from āmēns mad, from mēns mind
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for amentia
n.

"mental deficiency," late 14c., from Latin amentia "madness," from amentem "mad," from a- "away from" + mentem "mind" (see mind (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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amentia in Medicine

amentia a·men·tia (ā-měn'shə, -shē-ə, ə-měn'-)
n.
Insufficient mental development or functioning.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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