Literature Reference: 欣，乐也。——《说文》；禹，大也。——《广雅》 Xin means joy, from 'Shuowen'; Yu means greatness, from 'Guangya'.
欣: Joy, delight. In names, it often signifies happiness, symbolizing a life of prosperity and contentment.
禹:
The name of an ancient figure, embodying deep blessings, prosperity, and good fortune.
Meaning: Joy and greatness coexist, symbolizing brightness and hope.