This is the 6031st most frequent Polish word.
az
"Az" in Polish means "even" or "as far as."
Here, "aż" is used to signify the time up to which the waiting occurred, expressing duration until a certain point.
Czekał aż do zmroku, zanim zaczął działać.
He waited until dusk before he started acting.
In this context, "aż" is utilized to emphasize the intensity or extreme degree of the cold, marking the extent of a situation or condition.
Było aż tak zimno, że musiałem założyć płaszcz.
It was so cold that I had to put on a coat.
In this sentence, "aż" is used to emphasize the distance to where the person can be seen, expressing the extent or degree.