Where does “kraina” come from?
kraina (Polish) comes from Proto-Slavic krajina, 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-, from Proto-Indo-European kroh₁y-, from Proto-Indo-European kreh₁y- — to sift, to separate.
kraina (Polish): land
Ancestry of “kraina”, step by step