Literature Reference: 竹洞何年有，公初斫竹开。洞门无锁钥，俗客不曾来。—— 《奉和虢州刘给事使君三堂新题二十一咏 竹洞》 When was this bamboo grove first carved? The master initially opened it by cutting bamboo. The gate of the grove has no lock, and common visitors never come. Source from 'Fenghe Guozhou Liu Jishi Shijun Santang Xinti Ershiyi Yong: Zhu Dong'.
竹: Bamboo, the verdant bamboo. In names, it often symbolizes integrity and moral fortitude, and metaphorically represents a series of victories, as if splitting bamboo with ease, which is conducive to career advancement.
洞:
Meaning: The bamboo grove symbolizes tranquility, serenity, and a transcendent state, suggesting a retreat from the mundane world to embrace nature.