διωρύγιον

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

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Full diacritics: διωρύγιον	Medium diacritics: διωρύγιον	Low diacritics: διωρύγιον	Capitals: ΔΙΩΡΥΓΙΟΝ
Transliteration A: diōrýgion	Transliteration B: diōrygion	Transliteration C: diorygion	Beta Code: diwru/gion

English (LSJ)

[ῠ], τό, Dim. of διῶρυξ, PLond.1.131r633 (i A. D.).

-ου, τό
canalillo, canal pequeño para el riego τὸ ἀπὸ βορρᾶ τοῦ λάκκου δ. SB 9699.633 (I d.C.), cf. 4755.11 (biz.).