後援

1. Origins, structure, and basic meaning

• Structure: 後援 is read as こうえん and is a noun and する verb for formal backing or sponsorship of an event or activity by an institution or group.
• Basic usage: Receiving organizational backing appears in 後援を受ける, while sponsoring an exhibition appears in 展示会を後援する.

2. Common pitfalls and similar expressions

• Formal backing
  • It is not limited to giving money; an organization may support an event through its name, promotion, or operational assistance.
• Difference from 支援
  • 支援 broadly means helping a person or activity in need, whereas 後援 more strongly suggests formal backing of an event or project.