在留

1. Origins, structure, and basic meaning

• Structure: 在留(ざいりゅう) means remaining or residing in a place, especially in a foreign country.
• Basic usage: It is used for checking residency-related documents or stating how long someone has lived in a country.

2. Common pitfalls and similar expressions

• Context compared with 滞在
  • 滞在(たいざい) broadly describes staying somewhere, such as a travel destination or accommodation. 在留 often appears in formal descriptions of residing abroad, including residence in a country and related procedures in the examples.