αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
anteoccupo, providus, praecaveo, cautio, praemunitio, provisio, praevenio, praemunio, vigilia, vigilo, caveo, praeverto, provideo
