夫

1. Origins, structure, and basic meaning

• Structure: 夫, read おっと, is a single kinship noun denoting a male spouse in marriage.
• Basic usage: It is a neutral term commonly used for one's own male spouse, as in 夫と旅する.

2. Common pitfalls and similar expressions

• Tone and register
  • For another person's husband, a polite term such as ご主人 is usual; distinguish it from the register of 夫.