This is the 11039th most frequent Turkish word.
dolsa
"Dolsa" means "if it fills" or "although it fills" in Turkish, depending on context.
Here, 'dolsa' is used in a conditional sense to refer to the pen being filled.
Kalem dolsa, yazmaya devam edebilirim.
If the pen is filled, I can continue writing.
In this sentence, 'dolsa' is used to express a hypothetical situation of the library being filled with books.
Kütüphane kitaplarla dolsa, herkes faydalanabilir.
If the library is filled with books, everyone can benefit.
Here, 'dolsa' is used in the context of time coming to an end, still implying a conditional scenario.