Tristanian

Etymology
From.

Adjective

 * 1)  Of or pertaining to Sir Tristan, legendary Arthurian knight and tragic hero of the mediaeval romance .
 * 2) * 2001, Bonnie Wheeler, Fiona Tolhurst (editors), On Arthurian Women: Essays in Memory of Maureen Fries, Scriptorium Press, page 274,
 * With this assumption, that Tintagel haunted Hardy from 1870 to 1923, it becomes possible to suggest that not only was his Tristanian work infused with his life-long themes, but that Tristanian themes may have subtly influenced his earlier works as well.
 * 1) Of or pertaining to the Atlantic archipelago Tristan da Cunha or its inhabitants.
 * 1) Of or pertaining to the Atlantic archipelago Tristan da Cunha or its inhabitants.

Noun

 * 1) An inhabitant of Tristan da Cunha.