putanga hau
1. (noun) vent, flue.
He whare rūnanga Māori te whare o taua kura, he whare haumākū a roto, he pōuri, kāore he putanga hau kia ngaro ai te pūmāhu me te mōrūruru (TWMNT 31/8/1875:195). / The school building was a Māori meeting house, which was damp and dark inside with no vents to allow the steam and odour of human sweat to escape.