This is the 2030th most frequent Swedish word.
utökade
"Expanded" or "extended."
In this sentence, 'utökade' is used as the past tense of the verb 'utöka', meaning 'to expand' or 'to increase'. It describes an action of adding items to the library.
Vi utökade vårt bibliotek med flera nya böcker.
We expanded our library with several new books.
Here, 'utökade' is again the past tense of 'utöka', referring to an increase in available hours.
De utökade sina timmar för att kunna inkludera fler möten.
They extended their hours to accommodate more meetings.
In this usage, 'utökade' acts as a past participle used adjectivally, describing 'kunskaper' (knowledge) as having been expanded.