εἰς τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
ἄγνος, ἀμικτομίαινον, ἄγνον, τὸ ἄγονον, ἄγονον, ἀγναβόν, λύγος, οἶσος