Literature Reference: 四方上下曰宇，往古来今曰宙。——《庄子·庚桑楚》 The space above and below is called 'Yu', and the time from past to present is called 'Zhou'. Source from 'Zhuangzi · Gengsang Chu'.
宇:
Graceful and noble, the name embodies a broad mind and lofty ambitions.
Meaning: Yu symbolizes vast space, implying broad-mindedness and extraordinary demeanor.