Where does “lutość” come from?

lutość (Polish) comes from Polish Luty, from Old Polish luty, from Proto-Slavic ľutъ — harsh, cruel, severe.

Ancestry of “lutość”, step by step

StepLanguageWordMeaning
1PolishLutyFebruary
2Old Polishlutysevere, fierce
3Proto-Slavicľutъharsh, cruel, severe
Every word from Proto-Slavic ľutъ →Every word from Old Polish luty →Every word from Polish Luty →