手鏡

1. Origins, structure, and basic meaning

• Structure: In 手鏡 (てかがみ), hand 手 and mirror 鏡 combine to denote a hand mirror.
• Basic usage: 手鏡 is a small mirror held in the hand to view the face or another area.

2. Common pitfalls and similar expressions

• Hand mirror as instrument and object
  • 手鏡で marks it as the viewing instrument, while 手鏡を marks the object taken out or handed over.