ad-

to, toward; addition; sometimes emphasis

Forms

ad-
ac- — Used before c in Latin.
af- — Used before f in Latin.
ag- — Used before g in Latin.
al- — Used before l in Latin.
ap- — Used before p in Latin.
ar- — Used before r in Latin.
as- — Used before s in Latin.
at- — Used before t in Latin.

Origin

Reconstructed Proto-Indo-European *ad, ‘to; near.’

Note

Later Latin-based spellings sometimes restored consonants that had disappeared in French.

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verb

aver

uh-VUR/əˈvɜːr/

To state confidently that something is true.

The witness avers that her statement is true despite skeptical questioning.

A witness confidently maintains her statement under skeptical questioning: she leans slightly forward, speaks with a firm, composed expression, and emphasizes her words with one controlled hand gesture while the attorney visibly questions her.

Etymology

aLatinto, toward; addition; sometimes emphasis

+verLatintrue or genuine

The “to” and “true” elements are traced through a reconstructed verb meaning “make true” or “prove.” From verifying truth, the sense developed into confidently asserting it.

More examples

The researchers aver that their findings support the theory.
She averred that she had never signed the agreement.
He continues to aver his innocence.

Forms

aver · avers · averred · averring

averment noun — A confident statement that something is true.

Similar words

assert: A more everyday term for stating something firmly.
affirm: Often emphasizes confirming a statement or expressing firm support.
maintain: Emphasizes continuing to assert something despite doubt or opposition.