According to "Kinginzuroku" (Gold & Silver catalog), originally Chogin written as ?銀 meant silver bars, later the character was changed to 挺銀, then to 丁銀, although all were pronounced as Chogin. |
丁銀という名称は『金銀図録』の記述によれば棒状の銀塊の意味である?銀(ちょうぎん)が挺銀(ちょうぎん)を経て変化したものとされる。 |