Where does “Zaporijya” come from?

Zaporijya (Turkish) comes from Ukrainian Запорі́жжя, from Ukrainian за, from Proto-Slavic za — behind, after (stationary).

Ancestry of “Zaporijya”, step by step

StepLanguageWordMeaning
1UkrainianЗапорі́жжяplace beyond the rapids
2Ukrainianзаbeyond
3Proto-Slaviczabehind, after (stationary)
Every word from Proto-Slavic zaEvery word from Ukrainian заEvery word from Ukrainian Запорі́жжя