怡: Harmony and Joy. Often used in names to signify happiness, delight, and auspiciousness, embodying well-being, peace, and joyful fulfillment.

祖: The founder of a career or school of thought, the ancestral lineage, or the motherland. In a name, it often conveys the meaning of a bright future, bringing honor to one's ancestors, and is beneficial for career advancement and academic pursuits.