Similar terms exist in the surrounding area with slightly different meanings. The Chinese word dao (pronounced tou in Cantonese) means knife but can refer to any bladed weapon with only one edge. In Bengali, a dao is a six inch long knife. From the Himalayas, the dao spread to Southeast Asia where it came into its present shape. While it is pronounced dha in Burmese, among Khmer-speakers it is known as dao and some believe it is related to the Malay words pedang and sundang, meaning sword. The dha itself is called krabi in Thai, but the equivalent Thai term is daab (ดาบ) which usually refers to a straight double-edge sword. A related term, dap, means a long-handled sword in Malay.