第

第

"第" is a prefix meaning "number," "order," or "sequence" (e.g., first, second).

In this sentence, '第' is used as a prefix to denote an ordinal number (the first episode).

第1話はとても感動的でした。

Episode 1 was very moving.

Here, '第' precedes a positional rank, indicating the highest rank or position (1st place).

次の大会で第1位を目指します。

I aim to achieve 1st place in the next tournament.

In this context, '第' is used to indicate a sequence stage (the third stage).

そのプロジェクトは第3段階に進みました。

That project has progressed to the third stage.