Where does “osiemdziesięcioletni” come from?

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

osiemdziesięcioletni (Polish): eighty-year-old; eighty-year-long

Definitions

  1. eighty-year-old; eighty-year-long

Ancestry of “osiemdziesięcioletni”, step by step

osiemdziesięcioletni traces back through two separate lines of ancestry.

via Polish letni

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

via Polish osiemdziesiąt

StepLanguageWordMeaning
1Polishosiemdziesiąteighty
2Old Polishosiemdziesiąteighty
3Proto-Slavic*osmь desęti—
Every word from Proto-Indo-European leh₁tóm →Every word from Proto-Slavic lěto →Every word from Polish lato →