Proto-Altaic: *čúrka ( ~ -i̯o-)
Meaning: swift stream, current
Russian meaning: быстрый поток, течение
Turkic: {*duruk 'clear, transparent (of water)'}
Comments: Ozawa 119-120, 241-242 (Jpn.-Mong.). A good common Altaic landscape term. altet-prnum,altet-meaning,altet-rusmean,altet-turc,altet-mong,altet-tung,altet-jap,altet-reference,