This is the 29th most frequent Azerbaijani word.
nə
"What."
Here, 'nə' is used in an interrogative phrase to ask 'why,' combined with 'üçün,' meaning 'for what purpose'.
Nə üçün gəldiniz?
Why did you come?
In this sentence, 'nə' is used to express exclamation, translating to 'what a' in English.
Bu, nə gözəl kitabdır!
What a beautiful book this is!
The word 'nə' is used here as an interrogative pronoun to ask about an action, meaning 'what'.