毛

1. Origins, structure, and basic meaning

• Structure: The single-kanji word 毛 is read け and can mean an individual hair or an animal's coat as a whole.
• Basic usage: It describes cat hair stuck to clothing and the denser coat a dog develops in winter.

2. Common pitfalls and similar expressions

• Animal hair and an animal's coat
  • It can mean cat hairs stuck to clothing or the dog's coat growing denser in winter. Context may present individual hairs or the covering as a whole.