Literature Reference: 不见侵山叶，空闻拂地枝。—— 《宿山寺雪夜寄吉中孚》 Unable to see the leaves invading the mountain, one only hears the branches brushing the ground. Source from 'Staying Overnight at a Mountain Temple, Writing to Ji Zhongfu on a Snowy Night'.
空: The heavens, the expanse.
闻: Renowned. Eminent. In names, it often signifies fame, reputation, renown, and wisdom.
Meaning: Only hearing the sound without seeing the form, it implies inner peace and transcendence.