Where does “czterdziestoletni” come from?

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

czterdziestoletni (Polish): forty-year-old, forty-year-long

Definitions

  1. forty-year-old, forty-year-long

Ancestry of “czterdziestoletni”, step by step

czterdziestoletni traces back through two separate lines of ancestry.

via Polish letni

StepLanguageWordMeaning
1Polishletnisummer, summery, estival
2Polishlatosummer
3Proto-Slaviclětosummer; year
4Proto-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 →