This is the 6528th most frequent Polish word.
cytowana
"Quoted" or "cited."
Here, 'cytowana' is used as a past participle adjective describing the book, specifying that it was quoted in the lecture.
Książka, która była cytowana w wykładzie, jest bardzo interesująca.
The book that was quoted in the lecture is very interesting.
In this sentence, 'cytowana' highlights the phrase as the subject and indicates who quoted it, functioning as part of a passive construction.
Cytowana przez profesora fraza wywołała wiele dyskusji.
The phrase quoted by the professor sparked much discussion.
Here, 'cytowany' (masculine form of 'cytowana') is used as a modifier to describe the text and denote its characteristic of having been quoted.