αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
-ή, -ό (Α ἀκαδημιακός, -ή, -όν)βλ. ακαδημαϊκός.