Literature Reference: In the solemn and pure temple, dignified and harmonious ministers gather. Many scholars uphold the virtue of literature. Source from 'The Book of Songs·Odes of Zhou·Qingmiao'.
于: Thus, it is.
仪:
"Demeanor and appearance, often associated with a name, signify gracefulness and appropriateness, leaving a favorable impression."
Meaning: Yu Yi signifies solemnity and elegance, symbolizing noble virtues and etiquette.