What is "kifli"

Kifli is a traditional European yeast roll made into a crescent shape. The pastry is called kifli in Hungarian, Kipferl in Austrian German, кифла/kifla in Serbian, kifla in Bosnian, corn in Romanian, рогалик/rogalik in Russian, рогалик/rohalyk in Ukrainian, кифла in Bulgarian, кифла in Macedonian. Among West Slavic languages, it is called rohlík in Czech, rožok in Slovak and rogal in Polish. In Danish and Swedish, it is called giffel.