noun
Tsukushi (former province)
Historical province in northern Kyūshū, later divided into Chikuzen and Chikugo. Used in historical contexts.
筑紫は古代、九州北部にあった国である。
Tsukushi was an ancient province in northern Kyūshū.
noun
Kyūshū (archaic)
Archaic name for the entire island of Kyūshū. Rarely used in modern Japanese outside historical or literary references.
See also: 九州
古い文献では、九州全体を筑紫と呼ぶことがある。
In old documents, the whole of Kyūshū is sometimes called Tsukushi.
Chikugo Province, the other province formed from the division of Tsukushi.
The name 筑紫 (Tsukushi) is of ancient origin, predating the division into Chikuzen and Chikugo. The exact derivation is uncertain, but it has been used since early Japanese history to refer to the northern part of Kyūshū.