Literature Reference: 'Xi' refers to the seal, a symbol of royal authority. 'Xi' is an auxiliary word expressing exclamation. Source from 'Shuo Wen Jie Zi'.
玺: The imperial seal, known as "Yin," became exclusively associated with the emperor after the Qin Dynasty. The character "Ji" signifies auspiciousness, symbolizing its immense value and reverence.
兮: Classical Chinese particle.
Meaning: The seal symbolizes power and nobility, while 'xi' adds an elegant and solemn tone to the name.