What is "hofreistae"

Hofreistæ is a lake in the municipality of Bjerkreim in Rogaland county, Norway. The lake immediately south of the village of Øvrebygd. The lake is fed by a short river from the lakes Austrumdalsvatnet and Byrkjelandsvatnet. The river Hofreistæåna flows south out of this lake and eventually feeds into the river Bjerkreimselva.