Literature Reference: Mu refers to a cattle herder, as explained in 'Shuowen'; Heng means constancy, also defined in 'Shuowen'.
牧: Herding, nomadic; in a name, it conveys a sense of leisurely freedom and a far-reaching, serene ambiance.
恒: Eternity, unwavering perseverance.
Meaning: Mu Heng signifies the perseverance and stability akin to a herder, embodying steadfastness and enduring qualities.