Every time I have flown, I always wondered why there’s a tiny hole at the bottom of your airplane window? No, the window is not damaged, and you are not doomed. It’s actually a very important safety feature.
There is a name for it! The official name for it is a breather hole, and rest assured, every window on that flight has one just like it.
The ‘breather hole’ or ‘bleed hole’. Here is more on that!