This is the 884th most frequent Romanian word.
vazut
"Văzut" means "seen" in English.
In this sentence, 'văzut' is the past participle of the verb 'a vedea' (to see), and it's used to indicate observing something in the past.
Am văzut un film interesant aseară.
I saw an interesting movie last night.
Here, 'văzut' is a negative form in combination with 'n-am' (I haven't), reflecting not having experienced seeing something before.
N-am văzut niciodată un astfel de peisaj.
I have never seen such a landscape.
In this question, 'văzut' is used interrogatively to ask about something observed in the past.