駆け込む

1. Origins, structure, and basic meaning

• Structure: Written 駆け込む and read かけこむ, it means rushing into a place, often seeking shelter or help.
• Basic usage: It is used for dashing into a shop from rain or hurrying to a counseling office.

2. Common pitfalls and similar expressions

• Movement toward refuge
  • The verb implies entering a destination, not just running quickly.