Kajkavian

Etymology
From the regional interrogative pronoun, which is used in that region instead of the standard.

Proper noun

 * 1) A South Slavic language or supradialect of Serbo-Croatian spoken in central Croatia.

Noun

 * 1) A speaker of Kajkavian, or a native of northern Croatia.

Adjective

 * 1) Of or pertaining to Kajkavians or their language.