亦: Indicating the same or also, conveying a sense of similarity or inclusion.
桦: The tree species, birch. "Birch" symbolizes the toughness akin to a tree, unyielding to wind and rain, metaphorically representing a robust physique conducive to good health.
Meaning: ‘Yi’ signifies ‘also’ or ‘likewise,’ implying humility and peacefulness; ‘Hua’ refers to the birch tree, symbolizing resilience and nobility.