遺棄

1. Origins, structure, and basic meaning

• Structure: 遺棄 is read いき and means abandoning an object or something one has been caring for.
• Basic usage: It is a formal term used when discussing dumped garbage or animal abandonment.

2. Common pitfalls and similar expressions

• Register compared with 捨てる
  • 捨てる(すてる) is a broad everyday word for discarding something. 遺棄 often appears in news or official discussion of abandonment or neglect of responsibility.