μέλαθρον
μέλαθρον
μέλαθρον, ου, τό,
the ceiling of a room, or (rather) the main beam which bears the ceiling, Od.; in Od. 19. 544, the end of this beam outside the house.
generally, a roof, Hom.
a house, hall, Pind., Eur.; mostly in pl., like Lat. tecta, Trag.
deriv. uncertain