Proto-Turkic: *bāča
Meaning: 1 elder sister 2 husbands of sisters
Russian meaning: 1 старшая сестра 2 мужья сестер между собой (свояки)
Old Turkic: bača (OUygh., late - Lig. VSOu) 2
Karakhanid: baǯa-naq 2 (IM)
Turkish: baǯɨ 1, baǯanak 2
Tatar: paca (КСТТ) 2
Uzbek: bɔǯa 2
Uighur: baǯa 2
Azerbaidzhan: baǯɨ 1, baǯanaG 2
Turkmen: baǯɨ 1, bāǯa 2
Khakassian: paǯa 2, piǯe 1
Oyrat: bad́a 2, 'wives of brothers'
Chuvash: poźana 2
Tuva: baǯa 2
Tofalar: baǯa 2
Gagauz: baǯanaq 2
Salar: paǯa 2 (ССЯ)
Kumyk: baǯiw 1
Comments: VEWT 54, TMN 2, 682, ЭСТЯ 2, 24, 26-27, Лексика 310, Егоров 168, Ашм. X, 33, Федотов 1, 453. Turk. > WMong. baǯa, Kalm. baz, Khalkha baʒ, Bur. baz, Ord. baǯa 'brother-in-law', whence Kirgh., KBalk., Kum., Yak. baǯa, Evk. baǯa, Kaz., KKalp., Nogh., Bashk. baža. The Khak., Oyr. and Tuva forms may also be < Mong. Cf. also ORuss. печенег.
