What is "trengale"

Higher Trengale and Lower Trengale are two farming hamlets in the parish of St Cleer, Cornwall, England, United Kingdom. It is located to the northwest of Liskeard. It is also located between Dobwalls (to the south) and Draynes (to the north). The principal river in the area is the River Fowey, which flows to the north on the other side of Trengale Wood. Trengale is mentioned in the Doomsday Book. It documents a Richard holding Trengale, also referred to a Turgoil, from Saint Petroc in 1086. St Neot Lower Trengale Holiday Cottages are rented out to tourists during the summer months.