円形

1. Origins, structure, and basic meaning

• Structure: 円形 combines 円, circle, with 形, shape, and is read えんけい.
• Basic usage: It denotes a circular shape or arrangement, as in 円形に並べる and 円形の花壇.

2. Common pitfalls and similar expressions

• に and の
  • In 円形に椅子を並べる, it describes the manner of arrangement; in 円形の花壇, it modifies the shape of the following noun.
• Difference from 円
  • 円 denotes a circle itself or the concept of a circle, while 円形 focuses on an object being circular in shape.