Where does “ザイール共和国” come from?

ザイール共和国 (Japanese) comes from Japanese 共和国, from Japanese 国, from Old Japanese 国.

Ancestry of “ザイール共和国”, step by step

ザイール共和国 traces back through two separate lines of ancestry.

via Japanese 共和国

StepLanguageWordMeaning
1Japanese共和国republic
2Japanese国a land, a large place; a country in general, a...
3Old Japanese国—

via Japanese ザイール

StepLanguageWordMeaning
1JapaneseザイールZaire
2FrenchZaïrezaire (currency)
Every word from Old Japanese 国 →Every word from Japanese 国 →Every word from Japanese 共和国 →