πρόαιθρον πρόαιθρον, vestibule of a courtyard Found πρόαιθρον with different capitalization. Morpho works with a static database. If you like, you can compare the output of Morpheus.No parse information found. Search for this form in Logeion: of πρόαιθρον πρόαιθρον No checked forms of πρόαιθρον in the morphology database.