Where does “Zairization” come from?

Zairization (English) comes from English Zaire, from French Zaïre — zaire (currency).

Ancestry of “Zairization”, step by step

Zairization traces back through two separate lines of ancestry.

via English Zaire

StepLanguageWordMeaning
1EnglishZairemajor river in Central Africa
2FrenchZaïrezaire (currency)

via English ization

StepLanguageWordMeaning
1Englishization—
Every word from French Zaïre →Every word from English Zaire →