着く

1. Origins, structure, and basic meaning

• Structure: 着く (つく) is an intransitive verb for arriving at a destination or making contact with a surface.
• Basic usage: A train arrives at a station at a fixed time; a seated person's feet reach the floor.

2. Common pitfalls and similar expressions

• Arrival of transport and physical contact with a surface
  • 駅へ着く marks the endpoint of travel, while 足が床に着いた describes contact between body and surface. The second does not mean completing a journey.