batak

swamp, marsh

Proto-Turkic: *bat-gak
Altaic etymology: Altaic etymology
Russian meaning: болото
Old Turkic: batɨɣ- (in batɨɣ-daqɨ 'swamp-living' (of dragons)) (OUygh.)
Karakhanid: batɨɣ (MK, KB)
Turkish: batak
Tatar: bat-qaq (dial.)
Middle Turkic: batɣaq (Sangl.)
Uzbek: bɔtqɔq
Uighur: patqaq
Azerbaidzhan: bataG
Turkmen: batGa
Khakassian: patɨɣ 'marshy, marsh'
Halaj: bat-laq 'Lehm, Morast'
Chuvash: put-kax, put-lъx
Kirghiz: batqaq
Kazakh: batpaq; (dial.) bat 'sediment in water'
Noghai: batpaq
Bashkir: batqaq
Balkar: batmaq, batxaq
Gagauz: bataq
Karaim: bataq
Karakalpak: batpaq
Kumyk: batmaq
Comments: EDT 301, ЭСТЯ II 79, 80, VEWT 65, Егоров 169, Ашм. X 42, 48. Traditionally analysed as derivatives from *bat- 'to sink'; the derivational suffixes may be indeed both deverbative and denominative. But the external cognates are tempting.