次第に

A succession of rulers from the same family.

A person, especially one of importance or character.

Valuable, precious, or priceless.

Historical, pertaining to history, or historic.

Relating to the Middle Ages (roughly 5th to 15th century).

Of great significance or value.

A historian, a person who studies and writes about the past.

On the other hand, meanwhile, or while.

A suffix indicating a specific century.

The remains of a building, town, etc. from the past, especially one that is important in history or archaeology.