εἰς τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
ἰατρεῖον, νοσοκομεῖον, ξενεών, Παιωνεῖον, Παιώνιον, ὑγιαστήριον