一切經音義 47.151

47.151

龜毛（上愧逵反白虎通曰龜言久也毛詩傳曰元龜尺二寸也說文外骨而內肉者也從它龜頭象形也或曰聲也）。

龜毛 (hairs on a turtle; the first character is pronounced with the fanqie 愧 and 逵 [=guī]. The Baihu tong says: '龜 (turtle) implies longevity.' The Mao commentary to the Shijing says: 'The great turtle measures one foot and two inches.' The Shuowen jiezi says: 'That which has bone on the outside and flesh on the inside; it takes 它 as semantic component, picturing the turtle's head; some say it is phonetic').