續一切經音義 4.156

4.156

駞驢（上徒何反說文駱駞胡地獸也背有肉鞍負重千斤日行三百里能知水泉所在下力居反切韻畜也釋名云驢盧也取其盧盧之聲也從馬盧形聲字）。

駞驢 (Camels and donkeys: the upper character has the fanqie 徒何; the Shuowen says that the camel is a beast of the Hu lands; its back has fleshy saddles, it can carry a thousand catties, travels three hundred li a day, and can detect where water springs are located. The lower character has the fanqie 力居; the Qieyun says a domestic animal; the Shiming says: “驢 means 盧, taking its name from its braying sound lulu”; it is a phono-semantic character formed from 馬 with the phonetic 盧).