This is the 5998th most frequent Polish word.
świetnego
"Świetnego" means "great" or "excellent" in English.
The word 'świetnego' is used as an adjective in its masculine singular genitive form describing 'prezentu', the gift.
Dostałem świetnego prezentu na urodziny.
I received a fantastic gift for my birthday.
The word 'świetnego' describes 'nauczyciela', the teacher, serving as a masculine singular accusative form to match the direct object.
Mamy świetnego nauczyciela, który zawsze nas wspiera.
We have an excellent teacher who always supports us.
Here, 'świetnego rodzaju' uses 'świetnego' in a masculine singular genitive form as part of a phrase to describe the kind of drink.