Literature Reference: 因看斧柯烂，孙子发已素。—— 《游烂柯山 三》 Seeing the axe handle decay, the grandson's hair has turned white. Source from 'You Lan Ke Shan III'.
斧: The axe, a tool with an ominous connotation, is deemed unsuitable for use as a name, as it carries an inauspicious aura in Chinese culture.
柯: The handle of an axe. By extension, it signifies a rule or principle.
Meaning: The axe handle symbolizes the passage of time and the impermanence of life, reflecting the changes of years and the vicissitudes of the world.