異国

1. Origins, structure, and basic meaning

• Structure: 異国 is read いこく and means a land other than one's own.
• Basic usage: It is used for spices from distant lands or a character living abroad.

2. Common pitfalls and similar expressions

• Nuance compared with 外国
  • 外国(がいこく) is a relatively neutral term for another country, while 異国 readily suggests the feeling of unfamiliar surroundings or culture. 異国の香辛料 can evoke that sense of a foreign setting.