Pteron
External colonnade around a building, common in Classical architecture / From Wikipedia, the free encyclopedia
In Classical architecture, a pteron (Greek: πτερον, 'wing') is an external colonnade around a building, especially an Ancient Greek temple.[1] The pteroma or peristasis is the passage between the columns and the wall in a temple,[2] the peristyle that in an inward-facing courtyard or garden.[3]