通勤

1. Origins, structure, and basic meaning

• Structure: 通勤 (つうきん) is regular travel between home and work. It appears as habitual action and a duration-bearing activity.
• Basic usage: A person commutes by train to a company; a one-hour commute requires leaving early.

2. Common pitfalls and similar expressions

• Routine trip by transport and time burden of commuting
  • Means is 電車で, destination 会社へ, duration frame 通勤に. It differs from a one-time business trip.