Literature Reference: 九仪不忒，三揖将终。—— 《郊庙歌辞 让皇帝庙乐章 亚献终献》 The nine rituals are flawless, and the three bows are nearing their end. Source from 'Jiao Miao Ge Ci Rang Huang Miao Yue Zhang Ya Xian Zhong Xian'.
九: The largest single digit. In names, it signifies excellence and perseverance. The character "之" (zhī) is auspicious for career advancement.
仪:
"Demeanor and appearance, often associated with a name, signify gracefulness and appropriateness, leaving a favorable impression."
Meaning: The nine rituals symbolize the completeness of ceremonial systems and the orderliness of society.