Literature Reference: Heng means constant; Yu is the name of a river. Source from 'Shuowen Jiezi'.
恒: Eternity, unwavering perseverance.
淯: The river, also known as Baihe, is a word of rare usage. Caution is advised when considering it for a name.
Meaning: Heng signifies steadfastness, while Yu represents the ceaseless flow of water, embodying perseverance and resilience.