悪寒

1. Origins, structure, and basic meaning

• Structure: 悪寒, read おかん, means a chill or shivering sensation in the body.
• Basic usage: 悪寒がする expresses feeling a chill, while 背中を走る悪寒 describes a chill running down the back.

2. Common pitfalls and similar expressions

• Difference from 寒さ
  • 寒さ broadly refers to cold weather or the degree of cold. 悪寒 focuses on the shivery sensation felt in the body.
• Bodily sensation and description
  • It can appear both in descriptions of physical condition and in literary descriptions of shuddering with fear.