暂无解释，欢迎补充。

宋本廣韻

廣韻目次：去九御小韻反切聲母韻母聲調平水韻等呼韻部韻攝罗马字国际音标覰七慮清魚去聲御開口三等魚遇chioh／civhtsʰĭo

方言集汇

◎ 粤语：ceoi3 waan2

English

(same as U+89B0 覷) to see; to look at， to steal a glance; to glance quickly， to spy on; to peep at