羡: Covetous admiration. Envy. A fond desire to obtain, a yearning that inspires ambition and progress, often used in personal names to encourage an upward drive.
尤: Excellent, outstanding; even more, exceptionally; to ascribe blame, to linger affectionately, to dote upon.
Meaning: Xian You signifies excellence and uniqueness, expressing the pursuit and admiration of extraordinary qualities.