冒頭 (bōtō) means “beginning” | MotiTan Japanese Dictionary

More examples

会議の冒頭で、今日の予定を確認します。kai gi no bō tō de kyō no yo tei o kaku nin shi ma su

At the beginning of the meeting, we will review today's schedule.

It centers on the first section that comes before the main development of a text, speech, or other organized presentation.

最初saisho: The first part of something in time or order.
初めhajime: The earliest part of a thing, period, or event.

文章や話などの最初の部分。bun shō ya hanashi na do no sai sho no bu bun

The Sino-Japanese compound 冒頭 (bōtō) combines 冒 (bō, "to cover") and 頭 (tō, "head"); together, the fixed compound means the first part of something.

In formal Japanese, 冒頭 (bōtō) often describes the first part of an article, speech, or discussion, so it appears more often in writing and prepared remarks than in casual talk.