αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
ἀγροῖκος, ἄγροικος, γαμόρος, γειομόρος, γεοῦχος, γεωμόρος, γημόρος, ἐγκτήτωρ, ἐνκτήτωρ, ἐπιγεοῦχος, κληροῦχος, κτηματίτης