This is the 602nd most frequent Italian word.
perchè
"Perchè" means "why" or "because" in English.
In this sentence, 'perché' is used as a question word to ask for the reason behind an action.
Perché studi l'italiano?
Why are you studying Italian?
Here, 'perché' serves as a conjunction to introduce a reason or cause for the preceding action.
Sto studiando perché ho un esame domani.
I am studying because I have an exam tomorrow.
In this case, 'perché' is employed as a noun meaning 'the reason.'