māhau - for you (variant of māu)
mahau - porch; verandah, deck
Tēnā tahia te mahau mua me te mahau muri?Could you please sweep the front and back porch.Could you please make me... - Tēnā mahia mai he... māku.
He tino nui te mahau o tōna whare.The deck at her house is very big.