τὸν ἀφ' ἱερᾶς κινεῖν λίθον → move one's man from this line, move a piece from this line, try one's last chance, make a last ditch effort
(Γᾰδειρόθεν)adv. de Gadira, desde Gadira Euthydemus SHell.455.10, D.P.176, AP 14.121 (Metrod.).
