Where does “קראַגן־ביין” come from?
קראַגן־ביין (Yiddish) comes from Yiddish ביין, from Middle High German bein, from Old High German bein, from Proto-West Germanic bain, from Proto-Germanic bainą, from Proto-Indo-European bʰeyh₂- — to fear, be afraid; to strike, hit; to hew, cut.
Ancestry of “קראַגן־ביין”, step by step
קראַגן־ביין traces back through two separate lines of ancestry.