One of two official languages of Kosovo

ALBANIAN

Hint: This language is also the official tongue of the country just to the west of Kosovo. (This hint guides the solver by referencing Albania, which shares the same official language, without directly stating the answer.)

The clue "One of two official languages of Kosovo" directly points to the answer "ALBANIAN" because Albanian is one of the two official languages of Kosovo, alongside Serbian. This is a straightforward definition-based clue with no wordplay or hidden meaning—it simply tests the solver's knowledge of Kosovo's official languages.