匂い立つ

1. Origins, structure, and basic meaning

• Structure: 匂い立つ(においたつ) is a verb describing a rich fragrance rising or spreading.
• Basic usage: It vividly describes scents from blossoms or tea leaves after hot water is added.

2. Common pitfalls and similar expressions

• An impression of rising fragrance
  • 匂う broadly describes a smell being emitted or noticed; 匂い立つ adds an impression of fragrance rising distinctively.