noun
the very tip of a sword's edge
A technical term referring specifically to the extreme cutting point of a sword blade. Rare in everyday language; mostly found in historical, martial arts, or sword-appreciation contexts.
刀剣鑑定では、鋩子の状態が重要な評価ポイントになる。
In sword appraisal, the condition of the very tip of the blade is an important evaluation point.