金かな味あじ

Meanings

1

archaic

Archaic noun meaning 'metallic quality' or 'metallic taste/appearance'. Not used in modern Japanese; replaced by 金属的 or 金属質.

古こ文ぶん書しょに「金かな味あじの器うつわ」とあるが、現げん代だいではまず使つかわれない。
Old documents contain phrases like 'a vessel of metallic quality,' but it is hardly used today.

2

cutting edge of a blade

Rare historical term for the cutting edge of a bladed instrument, especially one made of metal. Modern Japanese uses 刃先 or 切れ味.

刀とう剣けん書しょでは「金かな味あじ」が刃はの切きれ味あじを指さすことがある。
In sword manuals, 金味 can refer to the sharpness of the blade.