părergon

I. an extra ornament: adjecerit parvulas naves longas in iis, quae pictores parerga appellant, Plin. 35, 10, 36, § 101; Vitr. 9, 9; Inscr. Grut. 59, 2; 77, 3 al.—Plur.: Părerga, ōn, the title of a work by Attius, Non. 61, 24.