首輪

1. Origins, structure, and basic meaning

• Structure: 首輪 is read as くびわ and is a noun for an animal collar or a ring-shaped neck ornament.
• Basic usage: A dog’s blue collar appears in 青い首輪が付く, while a discovered neck ornament appears in 装飾用の首輪が見つかる.

2. Common pitfalls and similar expressions

• Animal and ornamental uses
  • Translate it according to an animal or ornamental-artifact context.
• Difference from ネックレス
  • 首輪 can mean an animal collar, not only personal jewelry.