Where does “dwudziestopięcioletni” come from?

dwudziestopięcioletni (Polish) comes from Polish letni, from Polish lato, from Proto-Slavic lěto, from Proto-Indo-European leh₁tóm.

dwudziestopięcioletni (Polish): twenty-five-year-old, twenty-five-year-long

Definitions

  1. twenty-five-year-old, twenty-five-year-long

Ancestry of “dwudziestopięcioletni”, step by step

dwudziestopięcioletni traces back through two separate lines of ancestry.

via Polish letni

StepLanguageWordMeaning
1Polishletnisummer, summery, estival
2Polishlatosummer
3Proto-Slaviclětosummer; year
4Proto-Indo-Europeanleh₁tóm—

via Polish dwadzieścia pięć

StepLanguageWordMeaning
1Polishdwadzieścia pięćtwenty-five
Every word from Proto-Indo-European leh₁tóm →Every word from Proto-Slavic lěto →Every word from Polish lato →