This is the 13378th most frequent Polish word.
otwór
"Opening" or "hole."
Here, 'otwór' is used to refer to a physical opening that allows light to come through.
W ścianie jest mały otwór, przez który wpada światło.
There is a small hole in the wall through which light enters.
In this sentence, 'otwory' denotes planned openings or voids in a structure meant for windows.
Podczas budowy domu trzeba zostawić otwory na okna.
When building a house, you need to leave openings for the windows.
Here, 'otwory' represents openings specifically designed for ventilation purposes, showing its use in a technical context.