Literature Reference: Kang means peace and tranquility; Yan means extension and longevity. Source from 'Shuowen'.
康: Kangle, meaning joy and health, is often used in names to convey wishes for safety, well-being, and happiness. This character is highly auspicious and is believed to positively influence one's health and fortune.
延: "To extend, to introduce, and to facilitate the attainment of grand achievements, this character is auspicious for garnering fame, fortune, and good luck."
Meaning: Kang Yan signifies health, longevity, peace, and endless prosperity.