ῥύπασμα

ατος, τό
A. dirt, filth, pollution, Apollon. Lex. s.v. λύματα: but ῥυπασμός, ὁ, is f.l. in Eust. 1849.12.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project