Goldmine
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
Translations
gold mine
Chinese Mandarin: 金礦／金矿; Danish: guldmine; Dutch: goudmijn; Finnish: kultakaivos; French: mine d'or; German: Goldmine, Goldbergwerk; Greek: χρυσωρυχείο; Ancient Greek: χρυσωρυχεῖον, χρυσωρύχιον; Hungarian: aranybánya; Indonesian: tambang emas; Italian: miniera d'oro; Japanese: 金鉱, 金山; Latin: aurifodina, auraria; Norwegian Bokmål: gullgruve; Nynorsk: gullgruve; Old English: gyldenweċġ; Portuguese: mina de ouro; Romanian: mină de aur; Russian: золотая шахта, золотой рудник; Spanish: mina de oro; Swedish: guldgruva; Tagalog: pakayan; Telugu: బంగారు గని; Volapük: goldinameinäd
