μᾶχος

From LSJ

τὰ καλὰ καὶ συμφέροντα ταῖς ψυχαῖς ἡμῶν καὶ εἰρήνην τῷ κόσμῳ → what is good and profitable to our souls, and for peace to the world

Source

Russian (Dvoretsky)

μᾶχος: τό дор. Theocr. = μῆχος.