巡航

1. Origins, structure, and basic meaning

• Structure: In 巡航 (じゅんこう), going a route 巡 and navigation 航 combine to denote cruising.
• Basic usage: 巡航 denotes a ship or aircraft proceeding steadily at a set speed or along a route.

2. Common pitfalls and similar expressions

• Steady travel rather than necessarily tourism
  • A sightseeing purpose requires context and is not inherent in the word.