刀身

1. Origins, structure, and basic meaning

• Structure: 刀身, read とうしん, means the blade or body of a sword, apart from parts such as the handle.
• Basic usage: It is used when viewing patterns on a displayed sword or wiping the surface of its blade.
  • 展示された刀の刀身に細かな模様が見えた。

2. Common pitfalls and similar expressions

• The part named by 刃
  • 刀身 refers to the body of the blade, while 刃 focuses on the cutting edge.