congou
கறுப்புத்தேயிலை வகை.
Con"go, Con"gou, n. Etym: [Chin. kung-foo labor.] Defn: Black tea, of higher grade (finer leaf and less dusty) than the present bohea. See Tea. Of black teas, the great mass is called Congou, or the "well worked", a name which took the place of the Bohea of 150 years ago, and is now itself giving way to the term "English breakfast tea." S. W. Williams.