Etymology and distribution of 衿木.

Eriki 【衿木】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Hyougo-ken Kakogawa-shi . Korean type . Originated in the Jeonnam province of Jeolla Province, South Jeolla Province, Hyeonchu County (Old: Lingcheng (Nanson)). It is a real thread of a good name. It was renamed from Aungseong (Nunsong) to Ayashiro (Nunsung) in 940 and now it becomes Ayazu. 具 Gu reference.