Riojan
/rɪˈɒxən/ /rɪˈɒkən/ /rɪˈəʊxən/adjective
Of or relating to the Spanish district of Rioja, its inhabitants, or the wine produced there.
noun
The dialect of Spanish spoken in the Rioja district; a native or inhabitant of this district.
Origin
1920s; earliest use found in Modern Language Journal. From the name of Rioja + -an, after Spanish riojano.