国内

Etymology 1
From. Compare modern 🇨🇬.

Noun

 * 1) inside the country, domestic

Antonyms

 * : outside of the country, overseas

Noun

 * 1) inside the country, domestic

Etymology 3
Originally a compound of. Already appears in the abbreviated form in the Man'yōshū.

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Noun

 * 1)  the interior of a country; within a country's borders