Where does “siedmioletni” come from?

siedmioletni (Polish) comes from Polish siedem, from Old Polish siedm, from Proto-Slavic sedmь, from Proto-Indo-European septḿ̥ — seven.

siedmioletni (Polish): seven-year-old

Definitions

  1. seven-year-old

Ancestry of “siedmioletni”, step by step

siedmioletni traces back through two separate lines of ancestry.

via Polish siedem

StepLanguageWordMeaning
1Polishsiedemseven
2Old Polishsiedmseven
3Proto-Slavicsedmьseven
4Proto-Indo-Europeanseptḿ̥seven

via Polish letni

StepLanguageWordMeaning
1Polishletnisummer, summery, estival
2Polishlatosummer
3Proto-Slaviclětosummer; year
4Proto-Indo-Europeanleh₁tóm—
Every word from Proto-Indo-European septḿ̥ →Every word from Proto-Slavic sedmь →Every word from Old Polish siedm →