[kuh-rob-uh-rey-shuh n]
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Origin of corroboration

1425–75; late Middle English (< Middle French) < Late Latin corroborātiōn- (stem of corroborātiō). See corroborate, -ion
Related formsnon·cor·rob·o·ra·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of corroboration

Word Origin and History for corroboration

mid-15c., "strengthening, support," from Late Latin corroborationem (nominative corroboratio), noun of action from past participle stem of Latin corroborare "to strengthen" (see corroborate). Meaning "confirmation" attested by 1768.

Online Etymology Dictionary, © 2010 Douglas Harper