Arcastar (pron. [arˈkastar]) is the Quenya rendition of the surname Tolkien (German Tollkühn "foolhardy, reckless, desperately brave, rushbold").
J.R.R. Tolkien signed as Arcastar Mondósaresse "Tolkien in Oxford" in a 1968 letter to the producer of the BBC documentary.
 See also
- ↑ "Valuable Print Books and Manuscripts" dated 20 November 2008, Tolkienbook.net (accessed 23 September 2014)