What origin of Udon takes place in 1241 ?
In Chinese , udon noodles are called " wūdōngmiàn " ( 烏冬 " wūdōng " or 烏冬麵 ) , and sometimes " wūlóngmiàn " ( 烏龍麵 ) , which has the same characters as those used in " Oolong " tea ( " wūlóngchá " , 烏龍茶 ) , though there is no semantic relation between the two usages.Kūkai , the Buddhist priest , traveled to China around the beginning of the 9th century to study .