Jerome

'And he brought me to the gate that faced the north, and he measured it according to the higher measurements: its chamber, its facade, its vestibule, and its windows all around: it was fifty cubits long and twenty-five cubits wide. Its vestibule faced the outer court, and its palm tree engravings on its facade on both sides, and its staircase with eight steps.' And at each treasury there shall be a door in the gates (or fronts) of the doors: there they shall wash the holocaust. …

Commentary on Ezekiel ↗

Gregory the Dialogist

"And he brought me to the gate which looked toward the North, and he measured according to the former measures, its chamber, and its front, and its vestibule." Those things also which were said concerning the South gate and the East gate are repeated in the same words also concerning the gate which looks toward the North. The converted Gentile world is designated by the North. For Heber himself, from whom the Hebrews are named, was chosen from among the Gentiles. The Gentile world existed before the Synagogue. …

Homilies on Ezekiel, Book 2, Homily 8 ↗