一切經音義 100.245

100.245

匍匐（上音蒲下朋北反說文手行也並從勹勹音包形聲字也）。

匍匐 (the upper character is pronounced 蒲 [pu]; the lower character is pronounced with the fanqie 朋北 [peng + bei]. The Shuowen states: 'To crawl on hands and knees; both are formed from radical 勹.' 勹 is pronounced 包 [bao]; both are phonograms).