初霜

1. Origins, structure, and basic meaning

• Structure: 初霜 is read as はつしも and means the first frost of the cold season.
• Basic usage: It can describe the first frost changing the landscape or the date of that frost recorded in a diary.

2. Common pitfalls and similar expressions

• The first frost falling
  • 初霜が降りる describes the season's first frost forming. Example: 庭に初霜が降り、落ち葉が白くなった。
• Recording its date
  • 初霜の日 refers to the day on which the first frost was observed. Example: 日記には昨年の初霜の日が記録されている。