家内

1. Origins, structure, and basic meaning

• Structure: Written 家内 and read かない, it can refer to the speaker's wife or, in a fixed compound, to the whole household.
• Basic usage: It names the wife consulted about moving and the entire family in a conventional greeting.

2. Common pitfalls and similar expressions

• Wife versus household
  • Alone it often has the traditional sense of one's wife, while a following element can broaden it to all family members.