Literature Reference: 歆，神食气也。——《说文》；俞，然也。——《尔雅》 Xin refers to the spirits partaking of the breath of offerings. Source from 'Shuowen Jiezi'. Yu means 'yes' or 'so be it'. Source from 'Erya'.
歆: Admiration and aspiration. In names, it often signifies the wisdom of learning from others' strengths to improve oneself, thereby fostering support and advancement in one's career.
俞: "Permission granted, with a joyful and harmonious demeanor."
Meaning: Xin signifies the spirits enjoying the aroma of offerings, symbolizing admiration and affection. Yu denotes affirmation and approval, embodying beauty and certainty.