Tsangpo is the Tibetan word for river. It can often be found as a suffix attached to names of rivers originating or sometimes flowing through the Tsang province of Tibet, including:Kyirong Tsangpo, in its lower reaches known as Trishuli River Matsang Tsangpo, the formal Tibetan name for Bhote Koshi, a tributary of Sun Kosi. Raga Tsangpo Rongshar Tsangpo, a tributary of Tamakoshi River Yarlung Tsangpo, the upper Brahmaputra River in Tibet