Vidyā，譯曰明咒。真言之陀羅尼也。陀羅尼能破眾生之煩惱闇障，故名明。求法高僧傳四曰：「毘睇譯為明咒，陀羅是持。」
vidyā, 毘底牙 knowledge, learning, philosophy, science; incantation; intp. 明咒 an incantation to get rid of all delusion. The Vidyādharapiṭaka is a section of incantations, etc., added to the Tripiṭaka.
一毘睇 梵語 vidyā 之音譯。意譯作明咒。即指真言陀羅尼。陀羅尼能破眾生之煩惱闇障，故稱為明。求法高僧傳卷下（大五一‧六下）：「毘睇譯為明咒，陀羅是持。」p4871