一切經音義 16.26

16.26

巢窟（上柴㕛反說文鳥在木上也象形字也經從果非也下困骨反杜注左傳窟土室也說文從穴屈聲有從宀非也）。

Nests and dens (巢窟: the first character has the fanqie ch- + [y]ou [=cháo]; the Shuowen says: 'A bird upon a tree'; it is a pictographic character; in the sūtra it is written with 'fruit' [果], which is incorrect. The second character has the fanqie k- + [g]u [=kū]; Du's commentary to the Zuo zhuan says: 'A den (窟) is an earthen chamber'; the Shuowen says it is formed with 'cave' [穴] and qu [屈] as phonetic; versions with 'roof' [宀] are incorrect).