An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

To state or assert positively; maintain as true.

M.E. affermen, affirmen "to decide upon; to state positively," from O.Fr. afermer "affirm, confirm; strengthen," from L. affirmare "to make steady, strengthen," from → ad- "to" + firmare "strengthen, make firm," from firmus, → firm.

Baedešidan, from bar- "upon, to," + deš, → firm, + infinitive suffix -idan.

The act of affirming or something affirmed.

Verbal noun of → affirm.