An ancient language is any language originating in times that may be referred to as ancient. There is no formal criteria for deeming a language ancient, but a traditional convention is to demarcate as "ancient" those languages that existed prior to the 5th century. Linguist Roger Woodward has said that "[p]erhaps, then, what makes an ancient language different is our awareness that it has outlived those for whom it was an intimate element of the psyche".