The term 'Lover of Tristan' can be summarized as Isolde, a 6-letter word. Isolde is a character from the medieval romance story Tristan and Isolde, which tells the story of two lovers who are kept apart by circumstances beyond their control. Isolde is a princess who falls in love with Tristan, a knight sent to bring her to King Mark of Cornwall. Despite their efforts to be together, they are ultimately unable to do so and must part ways. Isolde is a tragic figure, whose love for Tristan is unrequited and ultimately leads to her death.