Where does “Cộng hòa Congo” come from?

Cộng hòa Congo (Vietnamese) comes from Vietnamese hoá, from Chinese 和, from Japanese 和, from Middle Chinese 和.

Ancestry of “Cộng hòa Congo”, step by step

Cộng hòa Congo traces back through 3 separate lines of ancestry.

via Vietnamese hoá

StepLanguageWordMeaning
1Vietnamesehoámerchandise, goods; to turn; -ize; -ise
2Chineseharmonious
3Japanesepeace, harmony, tranquillity, serenity; sum
4Middle Chinese

via Vietnamese Công

StepLanguageWordMeaning
1VietnameseCông
2Proto-Mon-Khmerkoŋto bend; to be bent; be bent
3Proto-Athabaskan*qʊ̓nʼfire

via Vietnamese Congo

StepLanguageWordMeaning
1VietnameseCongo
2FrenchCongoCongo
Every word from Middle Chinese