鼓

1. Origins, structure, and basic meaning

• Structure: 鼓 is read as つづみ and means “Japanese hand drum”.
• Basic usage: It refers to the sound of a traditional hand drum on a Noh stage and the patterns on an exhibited drum.

2. Common pitfalls and similar expressions

• 鼓の音 / 鼓に模様が描かれる
  • Use 鼓の音 for its sound and 鼓に模様が描かれる for decoration on the instrument.