grade

1. Origins, structure, and basic meaning

• Structure: 級 has 9 strokes and denotes a level or a grade of quality.
• Basic usage: 初級 is read しょきゅう, and 高級 is read こうきゅう.

2. Common pitfalls and similar expressions

• Learning level and quality
  • 初級の水泳教室 means a beginner swimming class.
  • 初級 describes an introductory learning level.
  • 高級な木材 means high-grade wood.
  • 高級 describes superior quality or luxury in goods and services.