亦: Indicating the same or also, conveying a sense of similarity or inclusion.
姝: Beauty and grace. A fair lady, embodying the elegance of blooming flowers and the virtues of wisdom, kindness, and propriety.
Meaning: The name 'Yishu' signifies elegance, intelligence, and gentleness. 'Yi' means 'also,' while 'Shu' refers to a beautiful and wise woman.