Where does “Tokio” come from?

Tokio (Esperanto) comes from Japanese 東京, from Vietnamese Đông Kinh, from Middle Chinese 東 — east.

Ancestry of “Tokio”, step by step

StepLanguageWordMeaning
1Japanese東京an eastern capital
2VietnameseĐông Kinha rural commune in Thái Bình, Vietnam
3Middle Chinese東east
Every word from Middle Chinese 東 →Every word from Vietnamese Đông Kinh →Every word from Japanese 東京 →
Tokio — Etymology, Origin & Word History | Etymology Explorer