Otomanguean
/ˌəʊtə(ʊ)ˈmaŋɡɪən
/ /ˌəʊtə(ʊ)ˈmaŋɡwɪən/adjective
Relating to or denoting a family of American Indian languages of central and southern Mexico, including Mixtec, Otomi, and Zapotec.
Origin
1940s: from Otomi + Mangue (an extinct language of Costa Rica) + -an.