αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
ἐνεύδω (Α) εύδωκοιμάμαι μέσα ή πάνω σε κάτι («χλαῑναν... καὶ κώεα, τοῑσιν ἐνευδεν», Ομ. Οδ.).