Literature Reference: 桐花万里丹山路，雏凤清于老凤声。—— 李商隐 《韩冬郎即席为诗相送》 The phoenix tree blossoms stretch along the red mountain road, the young phoenix’s song is clearer than the old one's. Source from 'Han Donglang Jixi Weishi Xiangsong' by Li Shangyin.
泗: Si River, a name of water body, carries no literal significance in personal names.
桐: The phoenix tree, known as "wutong" in Chinese, symbolizes vigorous vitality when used in personal names.
Meaning: As clear and pure as the Si River, as noble and resilient as the phoenix tree.