Where does “siedemnastoletni” come from?

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

siedemnastoletni (Polish): seventeen-year-old, seventeen-year-long

Definitions

  1. seventeen-year-old, seventeen-year-long

Ancestry of “siedemnastoletni”, step by step

siedemnastoletni traces back through two separate lines of ancestry.

via Polish letni

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

via Polish siedemnaście

StepLanguageWordMeaning
1Polishsiedemnaścieseventeen
2Proto-Slavic*sedmь na desęte—
Every word from Proto-Indo-European leh₁tóm →Every word from Proto-Slavic lěto →Every word from Polish lato →