就航

1. Origins, structure, and basic meaning

• Structure: 就航 is read as しゅうこう and can mean “inauguration of a route” or “entry into service”, depending on context.
• Basic usage: The examples show a boat beginning a new island route and a flying boat entering service.

2. Common pitfalls and similar expressions

• Distinguishing senses and uses
  • It is a vessel or aircraft formally beginning route operation or service, not merely making one departure.