Literature Reference: 边尘涨北溟,虏骑正南驱。—— 《塞上》 高适 The dust of the frontier rises to the northern sea, as the enemy cavalry drives south. Source from 'Sai Shang' by Gao Shi.
边: Edge, margin. It holds no particular significance in names.
尘: Dust and loess.
Meaning: The dust of the frontier symbolizes the hardships and loyalty of the border guards.