Where does “Krzan” come from?

Krzan (Polish) comes from Polish chrzan, from Old Polish chrzan, from Proto-Slavic xrěnъ — horseradish.

Ancestry of “Krzan”, step by step

StepLanguageWordMeaning
1Polishchrzanhorseradish
2Old Polishchrzanhorseradish
3Proto-Slavicxrěnъhorseradish
Every word from Proto-Slavic xrěnъ →Every word from Old Polish chrzan →Every word from Polish chrzan →