round-arched
/ˈraʊndɑːtʃt/Architecture
adjective
1Of a building, architectural feature, etc.: having a semicircular arch or aches, especially in the Romanesque style.
2Designating a style of architecture characterized by the use of such arches, especially the Romanesque.
Origin
Early 17th century; earliest use found in Joshua Sylvester (d. 1618), poet and translator. From round + arched.