Where does “krajina” come from?
krajina (Czech) comes from Old Czech krajina, 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- — to sift, to separate.
krajina (Czech): landscape
Ancestry of “krajina”, step by step