noun, noun or participle which takes 'suru'
bluish sheen; steel-blue luster
Describes a metallic or glossy surface with a blue tint, often used for swords, fish scales, or dark hair.
刀の刃が青光りしている。
The blade of the sword has a bluish sheen.
新鮮なサバは青光りが美しい。
Fresh mackerel has a beautiful bluish luster.
黒光り refers to a black or dark luster, while 青光り specifically describes a bluish or steel-blue sheen.
Compound of 青 (あお, 'blue') and 光り (ひかり, 'shine, luster'), with rendaku voicing of ひかり to びかり.