aequănĭmĭtas

ātis, f.

aequanimis

I. Before the class. per., favor, good-will (favor et propitius animus, Don. ad Ter. Ad. prol. 24): bonitas vestra atque aequanimitas, Ter. Phorm. prol. 34; id. Ad. prol. 24.—
II. In the post-Aug. per., calmness, patience, equanimity, Plin. 18, 12, 31, § 123: patien tia est malorum cum aequanimitate perlatio, Lact. 5, 22, 3.
Lewis & Short
A Latin Dictionary, 1879
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