Where does “юдино желязо” come from?

юдино желязо (Bulgarian) comes from Bulgarian желязо, from Proto-Slavic želězo — iron.

юдино желязо (Bulgarian): money

Definitions

  1. money

Ancestry of “юдино желязо”, step by step

юдино желязо traces back through two separate lines of ancestry.

via Bulgarian желязо

StepLanguageWordMeaning
1Bulgarianжелязоiron; ironwork; an iron bar
2Proto-Slavicželězoiron

via Bulgarian ю́дин

StepLanguageWordMeaning
1Bulgarianю́динOf or relating to a juda (mythical creature in Bulgarian folklore)
Every word from Proto-Slavic želězoEvery word from Bulgarian желязо