危害

1. Origins, structure, and basic meaning

• Structure: 危害 is read as きがい and is a noun for dangerous harm or injury inflicted on a person, body, or living thing.
• Basic usage: Inflicting harm appears in 村人に危害を加える, while harm reaching someone appears in 子どもに危害が及ぶ.

2. Common pitfalls and similar expressions

• Common collocations
  • 危害を加える is used for inflicting harm, while 危害が及ぶ describes harm extending to a target.
• Difference from 被害
  • 危害 focuses on harm that is inflicted or threatens to reach someone, while 被害 denotes damage or injury actually suffered.