Borrowed from Polish żubr, from Old Polish zubr, borrowed from Old Ruthenian зубръ (zubr) or Old East Slavic *зубръ (*zubrŭ), from Proto-Slavic *zǫbrъ. Doublet of зубръ (zubr).
жубръ • (žubr) m animal (dialectal)
url=zubrPlease see Module:checkparams for help with this warning.Zhurawski, A. I., editor (1993), “зубръ, жубръ”, in Гістарычны слоўнік беларускай мовы [Historical Dictionary of the Belarusian Language] (in Belarusian), numbers 13 (злотництво – ивовый), Minsk: Navuka i tekhnika, →ISBN, page 222