Where does “letniak” come from?

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

letniak (Polish): summerhouse, summer cottage

Definitions

  1. summerhouse, summer cottage

Ancestry of “letniak”, step by step

StepLanguageWordMeaning
1Polishletnisummer, summery, estival
2Polishlatosummer
3Proto-Slaviclětosummer; year
4Proto-Indo-Europeanleh₁tóm—
Every word from Proto-Indo-European leh₁tóm →Every word from Proto-Slavic lěto →Every word from Polish lato →