送別

1. Origins, structure, and basic meaning

• Structure: 送別(そうべつ) means bidding farewell to someone who is leaving.
• Basic usage: It is used for gatherings for a transferring colleague or seeing a departing friend off.

2. Common pitfalls and similar expressions

• A farewell gathering
  • 送別会(そうべつかい) is a farewell party held for someone who is leaving.
• The purpose of coming
  • 見送りに来た means came to see someone off. に marks the purpose of coming.