He ran his finger lightly along the edge of the blade.
Tips
usage
A literary word for a blade's cutting edge. Seen in 剑锷 (sword edge) and 锋锷 (the point and edge), often figurative for someone's sharp, formidable spirit.
Metal radical on the left, side-form of 金. It marks a metal object — here the steel edge of a blade. Same family as 钢 steel, 剑-related 锋 blade-point, 铁 iron.
