also: だいふ
noun
Minister of the Interior (669–1868); Lord Keeper of the Privy Seal (1885–1945)
Historical government title with two distinct periods: an ancient imperial post (ないふ or だいふ) and a modern cabinet position (ないふ). The modern role is often translated as Lord Keeper of the Privy Seal.
See also: 内大臣
内府は明治以前の重要な官職の一つだった。
The Naifu was one of the important government posts before the Meiji period.
1885年から1945年まで、内府は内大臣の別名として使われた。
From 1885 to 1945, Naifu was used as another name for the Lord Keeper of the Privy Seal.
内大臣 is the more common term for the modern Lord Keeper of the Privy Seal; 内府 is a historical synonym, especially in pre-1945 contexts.
From 内 (inside, inner) + 府 (government office). The term originally referred to a high-ranking official in the imperial court and later was applied to a modern cabinet post.