續一切經音義 10.179

10.179

玄惲（下於粉反重也諜也又厚也今案玄惲法師本名世道為避屆諱故稱其字）。

Xuan Yun (玄惲: the second character is pronounced with the fanqie 於粉 [y- + -iun = yǔn]; it means heavy, or to transmit intelligence; it also means thick. We examine that the Dharma Master Xuan Yun's original personal name was Shidao; to avoid a taboo name, he was called by his style name).