Call of Duty: World at War is a 2008 first-person shooter game developed by Treyarch and published by Activision. It is the fifth main installment of the Call of Duty series and is the fourth entry in the series to be set during World War II.
English (East Yorkshire): perhaps from an unattested Middle English personal name Asy, Acy. This would be from late Old English si, ultimately a shortened form of Old English thelsige, or from the Old Norse personal name si, found as Ase in Lincolnshire (12th century).