夏休み

1. Origins, structure, and basic meaning

• Structure: 夏休み(なつやすみ) combines 夏(なつ) and 休み(やすみ) and means a summer vacation or break.
• Basic usage: It is used for summer family travel or homework assigned for the break.

2. Common pitfalls and similar expressions

• に for time and の between nouns
  • 夏休みに marks the time during summer vacation.
  • 夏休みの宿題 links two nouns and means summer vacation homework.