Lüshi Chunqiu
The (c. 239 BCE) "Lüshi Chunqiu" uses "kui" 夔 several times. "Scrutinizing Hearsay" records another version of Duke Ai asking Confucius about Kui's alleged one-footedness, and it states that Kui came from the "caomang" 草莽 "thick underbrush; wilderness; wild jungle".