What does Xu's name mean?

1, the word "Xu" originally means oak, which is vivid and vivid in people's address.

2. Names with the word "Xu" are:, Jia Xu,,, Xu Xiang, Xu Xuan, Zheng Yingguang,,, Xu Hong, Xu Peng, Xu Hong, Tsui Hark, Xu Ying and Xu Dong.