Literature Reference: 禧，福也；姚，美好也。—— 《说文解字》 Xi signifies blessing; Yao signifies beauty and grace. Source from 'Shuowen Jiezi'.
禧: Joyous, blessed, and auspicious. In names, it often signifies good fortune, happiness, and an abundance of blessings.
姚: The surname "Xing" generally refers to a beautiful appearance, often used to describe a person, usually a woman, who is both lovely and elegant.
Meaning: Abundant blessings and elegant beauty.