剣士

1. Origins, structure, and basic meaning

• Structure: 剣士, read けんし, denotes a person trained to practice or fight with a sword.
• Basic usage: It names a young practitioner holding a bamboo sword and a fictional swordsman defending a country.

2. Common pitfalls and similar expressions

• A person skilled with a sword
  • It identifies a person trained to practice or fight with a sword, not the weapon itself.