IPA: /ˈtwiːər/
KK: /twiːər/
A tuyere is a pipe or nozzle through which air is blown into a furnace or fire to help it burn hotter.
The blacksmith adjusted the tweer to increase the airflow in the forge.
The word 'tweer' originates from Middle English 'tweore', which is derived from Old English 'twi', meaning two. It refers to a pair or something that comes in twos.
Think of the Old English word for two, 'twi', to remember that 'tweer' refers to something that comes in pairs.