εἰς τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
connatus connata, connatum ADJ :: innateconnatus connatus connati N M :: twin; double; one similar/alike
connātus, a, um, part. p. de connascor.