暂无解释，欢迎补充。

宋本廣韻

廣韻目次：上平十一模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吾五乎疑模平聲虞開口一等模遇ngo／nguŋu

方言集汇

◎ 粤语：ng4

English

name of a variety of grass， (as moxa) (Perilla ocimoides)