μάραθρο

From LSJ

ὀδοῦσι καὶ ὄνυξι καὶ πάσῃ μηχανῇ → tooth and nail | tooth, fang, and claw | in every possible way | by hook or by crook

Source

Greek Monolingual

το (AM μάραθρον)
βλ. μάραθο.