Where does “Manchúria” come from?

Manchúria (Portuguese) comes from Portuguese Manchú, from Manchu ᠮᠠᠨᠵᡠ — Manchu, Manchus; Manchu.

Ancestry of “Manchúria”, step by step

StepLanguageWordMeaning
1PortugueseManchúManchu relating to the Manchu people
2ManchuᠮᠠᠨᠵᡠManchu, Manchus; Manchu
Every word from Manchu ᠮᠠᠨᠵᡠ →Every word from Portuguese Manchú →