This is the 10414th most frequent Polish word.
czai
The Polish word "czai" (informal) means "to grasp, understand, or catch on."
The word 'czaiłem' here is used informally to express waiting or anticipating something eagerly.
Czaiłem się na ten projekt od dawna.
I had been waiting for this project for a long time.
Here, 'czaję' is colloquial and used to mean 'understand' or 'comprehend'.
Nie czaję tego, o co ci chodzi.
I don't get what you mean.
In this sentence, 'czai się' denotes observing intently or waiting for a particular opportunity.