τὸν ἀπὸ γραμμᾶς 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
πάλινος: πήλινος, Ἐπιχάρμου Ἀποσπ. 38.
πάλινος, -ον (Α)βλ. πήλινος.