刃先

1. Origins, structure, and basic meaning

• Structure: Written 刃先 and read はさき, it denotes the tip or foremost cutting edge of a knife, chisel, or similar bladed tool.
• Basic usage: It appears in a warning not to touch a kitchen knife tip and when a chipped chisel edge is resharpened.

2. Common pitfalls and similar expressions

• Tip rather than whole blade
  • It identifies the leading cutting point or edge, not the entire tool or even the whole blade.