初秋

1. Origins, structure, and basic meaning

• Structure: 初秋(しょしゅう) is a noun for the early part of autumn.
• Basic usage: It describes the coolness of an early-autumn morning.
  • 初秋の朝は涼しく、散歩しやすい。

2. Common pitfalls and similar expressions

• Beginning and end of a season
  • 初秋 means early autumn, while 晩秋(ばんしゅう) means late autumn. They identify different parts of the same season.
• A noun expressing time
  • 初秋の朝 means an early-autumn morning, and 初秋になる means that early autumn arrives.