Where does “Ki-ép” come from?

Ki-ép (Vietnamese) comes from Russian Ки́ев, from Old East Slavic Кꙑевъ.

Ancestry of “Ki-ép”, step by step

StepLanguageWordMeaning
1RussianКи́евKiev
2Old East SlavicКꙑевъ—
Every word from Old East Slavic Кꙑевъ →Every word from Russian Ки́ев →