tar
From LSJ
ἀκίνδυνοι δ' ἀρεταὶ οὔτε παρ' ἀνδράσιν οὔτ' ἐν ναυσὶ κοίλαις τίμιαι → but excellence without danger is honored neither among men nor in hollow ships
P. and V. πίσσα, ἡ (Aesch., Fragment).
cover with tar, verb transitive: Ar. also P. καταπισσοῦν.