ventilation
Ventilation (noun) means the process of clearing out stale or unhealthy air and letting fresh air in. Example: “Opening a window gives the stuffy bedroom some much-needed ventilation.”
Fill the gap
Can you complete this real example?
Opening a window gives the stuffy bedroom some much-needed _____.
Etymology
Ventilation is borrowed from Middle French ventilation, from Old French ventilacion, from Late Latin ventilatio, from Latin ventilo; morphologically, it is ventilate plus -ion.