暂无解释，欢迎补充。

宋本廣韻

廣韻目次：上五十琰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顩魚檢疑鹽B上聲琰開口三等咸鹽Bŋĭɛmngiemx／ngyeem

方言集汇

◎ 粤语：zim5

English

a kind of fish， the mouth of a fish at surface of the water; gasping for breath