冬季

1. Origins, structure, and basic meaning

• Structure: 冬季 is read as とうき and means “winter season”.
• Basic usage: The examples show the season when a lodge closes and pipes are inspected for cold weather.

2. Common pitfalls and similar expressions

• Distinguishing senses and uses
  • It formally identifies the winter period, especially in operational or climatic notices, and is more period-focused than everyday 冬.