What does Te Anau mean in English?

The Maoris of Southland always pronounce Te Anau as "Te Ana u". The name Te Anau has been translated in several ways-"uneven surface", "long view", "lake of many arms", "water current in a cave"; however the lake is in actual fact called after Te Anau, a granddaughter of Hekeia, whose name is bestowed on the Longwood Range.