Literature Reference: 夜妒燕双栖。—— 《杂曲歌辞 闺怨词 一》 At night, I envy the swallows resting in pairs. Source from 'Poems of Lament in the Boudoir, No. 1'.
燕: The swallow. In names, it often symbolizes good fortune and peace, signifying auspiciousness, health, and a beautiful life.
栖: A place to dwell and take refuge; a sanctuary for one's being.
Meaning: Swallows resting in pairs symbolize peace, harmony, and a beautiful life.