sentences:  The name "Baile Átha Cliath" itself was first written down in the Annals of Ulster in 1365, some 200 years after the Norman invasion of Ireland in 1169, and the Irish word "baile" (meaning a town), often anglicized as "bally", derives from Norman-French "bailee" or "ville".It remains unproven that it was called Áth Cliath before 795, but for convenience the western of the two settlements is usually referred to by historians and archaeologists as "Áth Cliath" to distinguish it from "Duiblinn" (see below).The existence of other early ringforts in the vicinity of Áth Cliath may be deduced from the names of several of the modern city's suburbs