What is the narrow passage called that connects the Atrium and Peristylium in a Roman house?

The narrow passage that connects the Atrium and Peristylium in a Roman house is called an "Andron." This term specifically refers to a corridor or passageway that allows movement between these two important areas of a Roman domus.

In the context of Roman architecture, the Atrium serves as a central reception area, often containing an opening in the roof (the compluvium) for light and rainwater collection, while the Peristylium is an open courtyard surrounded by columns. The Andron plays a crucial role in facilitating access and enhancing the flow of movement within the house, contributing to the overall design and function of domestic spaces in Roman culture.

The other options do not refer to this specific passage. A Herm, for example, is typically a statue with a head and stacked stones used as a boundary marker or for protection, and is not related to the interior layout of a Roman house. An Exedra is an architectural feature, often a semicircular space for sitting and discussion, rather than a passageway. The Oecus usually refers to a larger, formal room used for social gatherings rather than a connecting passage. Each of these terms highlights different aspects of Roman architecture, but the Andron is the specific term for