P / prŏthўra
noun greek

prŏthўra

gen. prŏthўrōrum · gender neuter · decl. 2nd
the space before the door; the vestibule
In a Grecian house, the space before the door, the vestibule, Vitr. 6, 10.—
a railing; wicket before the door
In a Roman house, a railing or wicket before the door, the Gr. διάθυρα, Vitr. 6, 10.