devoted husband; loving husband
Refers to a man who deeply cherishes and dotes on his wife. Often used with a slightly humorous or admiring tone.
He is a well-known devoted husband, always talking about his wife.
Compound of 愛 (love) + 妻 (wife) + 家 (person with a certain trait). The exact origin is uncertain, but it follows a common pattern for describing a type of person.