Ἓν οἶδα, ὅτι οὐδὲν οἶδα → I know only one thing, that I know nothing | all I know is that I know nothing.
bitūminātus, a, um (bitumen), mit Judenpech (Erdharz) geschwängert, aqua, Plin. 31, 59.
bituminatus bituminata, bituminatum ADJ :: tinctured/impregnated with bitumen (generic for hydrocarbons); bituminous