Liddell-Scott-Jones

πίθος (pithos) a cask ^G:N-M

πίθος [ῐ], ὁ,

large wine-jar, [Refs 8th c.BC+]; π. ἀργύρεοι, sent by Croesus to Delphi, [Refs 5th c.BC+]; but π. ξύλινοι casks, [Refs 1st c.BC+]

__2 proverbial, εἰς τὸν τετρημένον π. ἀντλεῖν, of the task of the Danaids, i.e. of labour in vain, [Refs 6th c.BC+]; applied to insatiable appetites, [Refs 5th c.BC+]; to largesses made by demagogues, [Refs 4th c.BC+]; ἐκ πίθω ἀντλεῖς you have wine by the caskful, i.e. your purse is deep, [Refs 3rd c.BC+]; ἐν πίθῳ ἡ κεραμεία γιγνομένη 'trying to run before you can walk', [Refs 5th c.BC+]; ζωὴ πίθου a Cynic's life, like that of Diogenes, [Refs 2nd c.AD+]; π. φρενῶν a cask full of wit, [Refs 4th c.BC+]
__II ={πιθίας}, [Refs 4th c.BC+]. (Cf. Latin fidelia.)