πίνος

A. dirt, filth, in clothes or hair, S. OC 1259, E. El. 305; of the natural grease in wool, Paul.Aeg. 7.17.88: metaph., σὺν πίνῳ χερῶν, i.e. by foul means, A. Ag. 776(lyr.).

2. patina on bronze statues, Plu. 2.395b: hence, metaph. of style, ὁ τῆς ἀρχαιότητος π. D.H. Dem. 5, cf.39, Comp. 11, al.

3. Alch., wash on metals, Olymp.Alch.p.75 B. [πίνος Hdn.Gr.2.945, and ι in Poets, S.l.c., A.R. 2.200, etc.: πῖνος is incorrect in Phryn. PS p.37 B. cod., EM 672.39.]