buzaɣu; dial. buza- 'to bear a calf', Osm. buza-la- 'id.'

calf

Proto-Turkic: *buŕa-gu
Altaic etymology: Altaic etymology
Proto-Altaic: *bi̯ŏ́ŕu
Nostratic: Nostratic
Russian meaning: теленок
Turkic: *buŕagu
Mongolian: *biraɣu
Tungus-Manchu: *biaru
Korean: *puruk
Japanese: *pítú-nsí
Comments: EDT 391, VEWT 74-5, ЭСТЯ 2, 239-242, Лексика 438-439. Bulg. *burǝʷu > Hung. borjú, see MNyTESz 1, 345-346. The derivation from *boŕ 'grey' and assumption of borrowing Turk. *buŕagu > Mong. biraɣu (Щербак 1997, 108) is hardly plausible.
Old Turkic: buzaɣu (OUygh.)
Karakhanid: buzaɣu (MK, IM)
Turkish: buzaɣu; dial. buza- 'to bear a calf', Osm. buza-la- 'id.'
Tatar: bɨzaw
Middle Turkic: buzaɣu, buzaɣ, buzaw (Sangl., MA, Pav. C.)
Uzbek: buzɔq
Uighur: mozaj
Azerbaidzhan: bɨzov
Turkmen: buzaw
Khakassian: pɨzo
Shor: puza (R)
Oyrat: bɨza
Chuvash: pъʷru
Tuva: bɨzā
Kirghiz: muzō
Kazakh: buzau
Noghai: buzaw
Bashkir: bɨδaw
Balkar: buzow
Gagauz: buzā
Karaim: bɨzuv, buzuv
Karakalpak: buzaw
Salar: puzo, pūzɨ (ССЯ 457)
Kumyk: buzaw