Literature Reference: 远安迩肃，俗阜时和。—— 《郊庙歌辞 武后明堂乐章 皇帝行》 Far and near are at peace, and the customs are prosperous and harmonious. Source from 'Imperial Ceremony Music of Mingtang by Empress Wu'.
俗:
Social customs, prevailing practices, traditional practices, and established conventions.
阜: Earth Mound. It bears no inherent significance in the name.
Meaning: The term 'Su Fu' signifies a prosperous and harmonious society, where customs are pure and people live in abundance.