ἀμφίθυρον

From LSJ

Ἡ βουλὴ καὶ ὁ δῆμος ἐτίμησεν... → The Council and the People honored... (inscription in the Roman city of Aizonai)

Source

Russian (Dvoretsky)

ἀμφίθῠρον: τό комната с дверьми с обеих сторон, т. е. проходная Theocr.