What does the word "Lao" in Ceng Kaixian's name mean in modern Chinese dictionaries?

Basic word meaning

xuánㄒㄩㄢˊ

1, jade color halo.

2. A stone as beautiful as jade.

3, dizzy, dizzy.

Other meanings

nabla

Xi 'an ㄒㄧㄢˊ

Last name.

Pinyin: Xun

Radical: Wang, external strokes: 5, total strokes: 9; Traditional radical: jade, external stroke: 5, total stroke: 10.

Wu Bi 86&; 98:GYXY Cang Xie: MGYVI

Number of strokes:112141554 Four-corner number:1kloc-0/32 Unicode: cjk unified Chinese character U+73B9.

Five elements: gold