εἰς τὸν τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
Ar. and P. ὀβελίσκος, ὁ (Xen.), V. ὀβελός, ὁ (Euripides, Cyclops), ἀμφώβολος, ὁ.
