Proper noun
English Wikipedia has an article on:DorylaeumWikipedia
Dorylaeum
An ancient city, an archaeological site in Anatolia, near the city of Eskişehir, in modern Turkey.
Battles of the Crusades 1097-1444: From Dorylaeum to Varna. Source: Internet
Since the Sultan had already failed to keep his side of the earlier treaty of 1162, however, Manuel only ordered the fortifications of Sublaeum to be dismantled, but not the fortifications of Dorylaeum. Source: Internet
Rogers, Clifford J, The Oxford Encyclopedia of Medieval Warfare and Military Technology: Vol. 1., 290 Manuel's strategy was to prepare the advanced bases of Dorylaeum and Sublaeum, and then to use them to strike as quickly as possible at Iconium. Source: Internet