An act of avouching; a declaration, assertion, or vouching for something; a guarantee or guarantee of truth.
From avouch + -ment (suffix creating abstract nouns from verbs). Following English noun formation patterns, -ment is added to express the act or result of the verb.
An 'avouchment' is more formal than a simple claim—it's a solemn declaration that implies legal or moral responsibility. Medieval documents used this word to create binding statements that had to be honored or the speaker faced serious consequences.
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