Literature Reference: 'Kai' means law or model; 'Yu' refers to the eaves of a house. Source from 'Shuowen Jiezi'.
楷: Exemplar, paragon. This signifies agile thinking and strategic acumen, which bode well for the advancement of future endeavors.
宇:
Graceful and noble, the name embodies a broad mind and lofty ambitions.
Meaning: Kai Yu signifies being a model of integrity and having a broad mind.