Where does “czterdziestolecie” come from?

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

czterdziestolecie (Polish): forty-year-long period

Definitions

  1. forty-year-long period

Ancestry of “czterdziestolecie”, step by step

czterdziestolecie traces back through two separate lines of ancestry.

via Polish lato

StepLanguageWordMeaning
1Polishlatosummer
2Proto-Slaviclětosummer; year
3Proto-Indo-Europeanleh₁tóm—

via Polish czterdzieści

StepLanguageWordMeaning
1Polishczterdzieściforty
2Old Polishczterdzieściforty
3Proto-Slavic*čьtyri desęte—
Every word from Proto-Indo-European leh₁tóm →Every word from Proto-Slavic lěto →Every word from Polish lato →