斯: This person, this moment. It conveys a sense of refinement, the awe-inspiring dignity of a sage, and the dedication of one who lives and breathes their principles morning and night.
沅: Symbolizing a person's multifaceted talent and wisdom, adorned in abundance and well-nourished, with exceptional abilities that stand above the rest.
Meaning: The name 'Siyuan' signifies elegance and clarity, representing a pure heart and wise character.