Literature Reference: 灏，浩大也。—— 《说文》 Hao signifies vastness and greatness. Source from 'Shuowen Jiezi'.
余: Surplus, a metaphor for a life of abundance and prosperity.
灏: The water's force is immense. In personal names, it symbolizes vastness, grandeur, abundance, and multiplicity.
Meaning: Yu Hao symbolizes boundless expanse and grandeur, representing a broad mind and lofty aspirations.