punctuation · A literary or archaic term for money or copper coins, derived from the folklore of the qingfu beetle.

他这一去，便是为了多赚几枚青蚨养家糊口。

A type of water beetle, specifically the legendary 'qingfu' beetle which was said to always return to its mother.

传说中的青蚨是一种具有神奇特性的水生昆虫。