In the local South Slavic languages, all variations of the word are derived from a Romanized Illyrian base (yielding , ), later metathesized from the reconstructed form into forms such as and , , first attested in the 18th century, and the adjective form in the 16th century. As a proper noun, the Slovene form was first attested in 1177.Bezlaj, France (ed.). 1982. , vol. 2, K–O. Ljubljana: SAZU, p. 82.
In the local South Slavic languages, all variations of the word are derived from a Romanized Illyrian base (yielding , ), later metathesized from the reconstructed form into forms such as and , , first attested in the 18th century, and the adjective form in the 16th century. As a proper noun, the Slovene form was first attested in 1177.Bezlaj, France (ed.) 1982. , vol. 2, K–O. Ljubljana: SAZU, p. 82.