Where does “крастава жаба” come from?

крастава жаба (Bulgarian) comes from Bulgarian жаба, from Old Church Slavonic жаба, from Proto-Slavic žaba, from Proto-Slavic žěba — chaffinch.

крастава жаба (Bulgarian): paddock, toad relatively large tailless amphibian of family

Definitions

  1. paddock, toad relatively large tailless amphibian of family

Ancestry of “крастава жаба”, step by step

крастава жаба traces back through two separate lines of ancestry.

via Bulgarian жаба

StepLanguageWordMeaning
1Bulgarianжабаa frog; a toad
2Old Church Slavonicжабаtoad; frog
3Proto-Slavicžabafrog, toad
4Proto-Slavicžěbachaffinch

via Bulgarian кра́став

StepLanguageWordMeaning
1Bulgarianкра́ставscabby
Every word from Proto-Slavic žěbaEvery word from Proto-Slavic žabaEvery word from Old Church Slavonic жаба