This is the 4258th most frequent Chinese word.
学期
"学期" means "semester" or "term."
学期 here refers to an academic term during which courses are attended.
这个学期我选了数学和历史课。
This semester, I have chosen mathematics and history classes.
学期 in this sentence is used to refer to the upcoming academic term.
下个学期开始了，我想参加更多的俱乐部活动。
Next semester starts, and I want to participate in more club activities.
学期 denotes a division of the academic year, highlighting its cyclical nature.