一切經音義 80.13

80.13

蔡愔（上蔡字說文云草也可食從草祭聲下揖淫反漢朝人名出使五天最初求法也）。

蔡愔 (For the first character Cài, the Shuowen says: "Grass; edible. It takes the grass classifier with jì as phonetic." The second character has the fanqie yi + yin. A personal name of the Han dynasty, who was sent on an envoy mission to the five regions of India to initially seek the Dharma.)