εἰς τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
P. and V. ὄχημα, τό (Plato), P. πορεῖον, τό (Plato); see carriage.
way, means: P. and V. πόρος, ὁ.
instrument: P. and V. ὄργανον, τό.