Where does “内大臣” come from?

内大臣 (Japanese) comes from Japanese 内, from Middle Chinese 內.

内大臣 (Japanese): the minister of the interior, one of the 令外の官

Definitions

  1. the minister of the interior, one of the 令外の官

Ancestry of “内大臣”, step by step

内大臣 traces back through 3 separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japaneseinside, within; between, among; while, during,...
2Middle Chinese

via Japanese 大臣

StepLanguageWordMeaning
1Japanese大臣a government minister of Japan or ancient China

via Japanese 大殿

StepLanguageWordMeaning
1Japanese大殿
Every word from Middle Chinese Every word from Japanese