"Autumn" is the word for "秋天" in Engpsh. "Winter" is the word for "冬天" in Engpsh.

"Autumn" comes from the Latin word "autumnus," which was originally a time for harvest and was eventually associated with the season we now call autumn.

"Winter" comes from the Old Engpsh word "wintern," which referred to the coldest season of the year.

Here are some example sentences using these words:

After autumn comes winter. (秋天之后是冬天。)
The leaves fall from the trees during autumn. (树叶在秋天从树上落下。)
Winter is a time for skiing and sledding. (冬天是滑雪和滑雪板的时间。)
It gets very cold during winter. (冬天会变得非常冷。)