κάρα τέμνειν
From LSJ
ὡς τρὶς ἂν παρ' ἀσπίδα στῆναι θέλοιμ' ἂν μᾶλλον ἢ τεκεῖν ἅπαξ → I would rather stand three times with a shield in battle than give birth once
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