ɪɾ ɪz ˈɑːɹɡjuːd ðˌɐɾɪt ɪz ɐ dᵻɹˈɪvətˌɪv ʌv kɹˈæpfən, wˌɪtʃ wʌz bɹˈɔːt baɪ ðə dʒˈɜːmən ˌɪmɪɡɹˈeɪʃən ðæt wɛnt tə ðə ɹˈiːoʊ də lˌæ plˈɑːɾɚ ɹˈiːdʒən.
It is argued that it is a derivative of krapfen, which was brought by the German immigration that went to the Río de la Plata region.