This is the 6412th most frequent Polish word.
camilli
It seems "camilli" is not a standard Polish word; it may be a proper name or misspelling.
Here, 'Camilli' is used as a proper noun, specifically referring to a person named Camilli, in the sentence.
Camilli jest niezwykle utalentowana w tańcu.
Camilli is extremely talented in dancing.
In this sentence, 'Camilli' functions as the indirect object in the dative case as per Polish grammar, indicating the recipient of the given book.
Podarowałem książkę Camilli podczas uroczystości.
I gave the book to Camilli during the ceremony.
Here, 'Camilli' is used nominatively to represent the subject encountered by the speaker, emphasizing the uplifting impact of this observation.