pro-ethnic
/prəʊˈɛθnɪk/(also pro-ëthnic) Linguistics. Now rare
adjective
Of or belonging to the period prior to the division of the Indo-Europeans into separate peoples. Also more generally: prior to the division of any people or race into separate tribes or ethnic groups.
Origin
Mid 19th century; earliest use found in Friedrich Max Müller (1823–1900), Sanskritist and philologist. From pro- + ethnic.