交歓

1. Origins, structure, and basic meaning

• Structure: 交歓, read こうかん, combines mutual association 交 with shared joy 歓 to denote fellowship.
• Basic usage: It is a formal term for people meeting and sharing goodwill and enjoyment, as in 音楽を通じて交歓する.

2. Common pitfalls and similar expressions

• Tone and register
  • Although it shares a reading with 交換, 交歓 focuses on fellowship and emotional exchange between people, not merely swapping information or objects.