一切經音義 85.7

85.7

筌蹄（上翠緣反取魚竹器籠也亦名魚笱下弟奚反莊子云蹄所以取得兔既得兔而忘蹄從足帝聲）。

筌蹄 (The first character is *c-y-: a bamboo fish trap, also called a wicker fish-trap. The second is *d-x-. The Zhuangzi says: "The snare is the means to catch the hare; once the hare is caught, the snare is forgotten." Formed from 足 with 帝 phonetic.)