Where does “krajnik” come from?
krajnik (Serbo-Croatian) comes from Serbo-Croatian krȃj, 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.
krajnik (Serbo-Croatian): tonsil
Ancestry of “krajnik”, step by step