暂无解释，欢迎补充。

宋本廣韻

廣韻目次：上平九魚小韻反切聲母韻母聲調平水韻等呼韻攝韻部国际音标罗马字臚力居來魚平聲魚開口三等遇魚lĭolio／liv

方言集汇

◎ 粤语：leoi4

English

horses kept at a courier station in former times