Where does “krajanka” come from?

krajanka (Serbo-Croatian) comes from Polish krajan, from Polish kraj, from Old Polish kraj, from Proto-Slavic krajь, from Proto-Slavic krojiti, from Proto-Balto-Slavic krájīˀtei, from Proto-Indo-European kroyh₁-eye-ti, from Proto-Indo-European kroyh₁- — to sift, to separate.

Definitions

Ancestry of “krajanka”, step by step

krajanka traces back through 3 separate lines of ancestry.

via Polish krajan

StepLanguageWordMeaning
1Polishkrajancompatriot
2Polishkrajcountry; land; border of something
3Old Polishkrajborder
4Proto-Slavickrajьedge, end
5Proto-Slavickrojitito cut
6Proto-Balto-Slavickrájīˀtei
7Proto-Indo-Europeankroyh₁-eye-ti
8Proto-Indo-Europeankroyh₁-
9Proto-Indo-Europeankroh₁y-
10Proto-Indo-Europeankreh₁y-to sift, to separate

via Czech krajan

StepLanguageWordMeaning
1Czechkrajancompatriot, countryman
2Old Czechkrajěníncompatriot, countryman
3Old Czech-ěnínforms nouns, including inhabitant names
4Proto-Slavic-janinъCreates male dweller terms from toponyms or place...
5Proto-Slavic-inъ-ine; Creates singulatives, mostly with...
6Proto-Indo-European-iHnosCreates adjectives of materials
7Proto-Indo-European-no-adjectival suffix

via Polish krajać

StepLanguageWordMeaning
1Polishkrajaćto cut
2Proto-Slavickrajati
Every word from Proto-Indo-European kreh₁y-Every word from Proto-Indo-European kroh₁y-Every word from Proto-Indo-European kroyh₁-