ἐπ' αὐτὸν ἥκεις τὸν βατῆρα τῆς θύρας → you've come to the crux of the matter, come to the point, hit the nail on the head, you've come to the very threshold of the door, you are come to the very threshold of the door, you've arrived at the truth of the matter
labruscum labrusci N N :: fruit if the wild vine, wild grape
lābruscum: i, n. labrusca,
I the fruit of the labrusca, the wild grape, Verg. Cul. 52.
lābruscum, ī, n., fruit de la lambruche : Virg. Cul. 52.
