περίτηγμα

ατος, τό
A. that which is cast off in smelting, dross, scum: metaph., ἰσοτιμίας π. ἡ εὐγένεια Chrysipp.Stoic. 3.85.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project