Literature Reference: Thousands of valleys with towering trees, myriad mountains echo with cuckoos. Source from 'Seeing Off Li, the Governor of Zizhou'.
万: The term "quantity unit" signifies abundance and encompasses the meaning of "all." Being fortunate beyond measure is an auspicious repetition, which is highly beneficial for one's health when used in a name.
壑: Deep valley, profound ravine.
Meaning: Wan He evokes the grandeur and depth of countless valleys, symbolizing vastness and majesty.