καταπισσόω · katapissoō — LSJ
cover with pitch, as was done to winejars, etc., Cratin. 189 (Pass.), Ar. Ec. 1109, Gal. 17(2).164: metaph., paint black, opp. καταχρυσόω (in v. 826), κατεπίττου πᾶς ἀνὴρ Εὐριπίδην Ar. Ec. 829.
tar and burn (as a punishment), Heraclid. Pont. ap. Ath. 12.524a:—Pass., Pl. Grg. 473c.