Literature Reference: 宿昔奉清罇。—— 《奉汉中王手札》 In the past, I served with a pure heart. Source from 'Feng Hanzhong Wang Shouzha'.
宿: Celestial Mansions.
昔: In ancient times, in days of yore. When used in personal names, it often conveys the meaning of remaining true to one's original aspirations.
Meaning: The term 'Su Xi' signifies the past, symbolizing cherishment and reminiscence of bygone times.