This is the 492nd most frequent Croatian word.
nedavno
Recently.
'Nedavno' is used here as an adverb to indicate that the action of starting to learn a new language occurred in the near past.
Nedavno sam počeo učiti novi jezik.
I recently started learning a new language.
In this question, 'nedavno' is employed to inquire whether the renovation of the building occurred in the recent past.
Jesu li nedavno renovirali ovu zgradu?
Did they recently renovate this building?
Here, 'nedavno' indicates that the discussion at the seminar took place in the recent past.