τετράπυλον
τετράπυλον, archway entered from four sides
τετρά-πῠλον, τό,
- archway entered from four sides, OGI 722.6 (Egypt, iv A.D.); = quadrivium, Gloss.: Adj. τετρά-πῠλος, ον, with four gateways, περίβολος πόλεως Str. 12.4.7.