《水经注·卷四十》
从前有道士，长期住此不归，这或许就是此山所以称为灵隐的原因。
昔有道士，长往不归，或因以稽留为山号。
There was a Taoist priest in the past who lived here for a long time without returning. This may be the reason why this mountain is called Lingyin.