Luna
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
Latin > English (Lewis & Short)
Lūna: ae, f.,
I a city of Etruria, now Luni, Mel. 2, 4, 9; Plin. 3, 5, 8, § 50; Liv. 39, 21, 5; 43, 11; Mart. 13, 30, 1; Sil. 8, 482.— Hence,
II Lūnensis or Lūniensis, e, adj., of or belonging to Luna: caseus Luniensis, remarkable for its size, Plin. 11, 42, 97, § 241; Mart. 13, 30 in lemm.: marmor, the modern marble of Carrara, Plin. 36, 6, 7, § 48: silex, id. 36, 18, 29, § 135: ara, an altar of marble of Luna, Suet. Ner. 50. —Plur. subst.: Lūnenses, ĭum, m., the inhabitants of Luna, Plin. 36, 5, 4, § 14.