κάρα τέμνειν
From LSJ
Βέλτιστε, μὴ τὸ κέρδος ἐν πᾶσι σκόπει → Amice, ubique lucra sectari cave → Mein bester Freund, sieh nicht in allem auf Profit
Greek > English (Woodhouse)
behead, decapitate, ax, bring to the block, chop off one's head, cut off the head, cut the head off, decollate, guillotine, neck