This is the 7479th most frequent Russian word.
дебют
The Russian word "дебют" means "debut" or "first appearance/attempt."
The word дéбют is used to refer to a person's first appearance or performance in a particular setting, such as a theater.
Вчера состоялся её дебют на сцене большого театра.
Yesterday was her debut on the stage of the big theater.
The word дéбют here indicates the first publication or introduction of his literary work to the public.
Его литературный дебют привлёк внимание множества читателей.
His literary debut attracted the attention of numerous readers.
In this sentence, дéбют refers to the premiere or initial public appearance of the music band.