一切經音義 3.38

3.38

浮囊 (floating raft-bladder; the former is pronounced fu, also fu/you fan; Kong's commentary on the Book of Documents says: 'Drifting and flowing is called 浮'; Jia's commentary on Guoyu says: 'Light'; Shuowen jiezi says: 'To float; composed of 水 with 孚 phonetic'; the latter is nuo/tang fan; Jixun says: 'That which has a bottom is called a 囊; that without a bottom is called a 橐'; 橐 is pronounced tuo; the floating bladder in the present sūtra is an inflated air bladder; one wishing to cross the great ocean relies on the lightness and buoyancy of this air bladder).