Literature Reference: 燕，安也；瑜，美玉也。—— 《说文解字》 Yan means peace; Yu means beautiful jade. Source from 'Shuowen Jiezi'.
燕: The swallow. In names, it often symbolizes good fortune and peace, signifying auspiciousness, health, and a beautiful life.
瑜:
The radiance of jade, auspiciousness and well-being, grace and composure.
Meaning: Yan symbolizes peace and harmony, while Yu represents beautiful jade, signifying beauty and preciousness.