 According to local legend , the word Thanjavur is derived from " <unk> " , an asura ( giant ) in Hindu mythology who was killed in what is now Thanjavur by the Hindu god <unk> Perumal , a form of Vishnu . The word Thanjavur is indeed a Tamil name . " Than " <unk> , " <unk> " <unk> , " ur " - city , a city surrounded by cold <unk> word " <unk> " has become " Thanjavur " 
