暂无解释，欢迎补充。

宋本廣韻

廣韻目次：上平七之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飴與之以之平聲支開口三等之止ji／jiobʰi

方言集汇

◎ 粤语：zi4 zi6

English

(ancient form of 飴) syrup; jelly-like sugar made from grains