Unreviewed (from Wiktionary)Jewish lifeBeyond English
קאַפּויער
Unknown. Possibly related to or derived from כּפּרות (kapores), from Hebrew כַּפֹּרֶת (kapporet), or its singular form, כּפּרה (kapore, “scapegoat”). Compare Aramaic כפורא (kapora, “heathen”) and German kapores (“broken, damaged”). Alternatively, from Russian ку́барем (kúbarem, “head over heels”) or кубарём (kubarjóm), although this is less likely.
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