Wiktionary
a. between ethnic groups, or their members
Usage examples of "interethnic".
So it has been this time: we have seen interpersonal anger, riots, interethnic struggles, even coups and minor wars.
That intervention and occupation forces should not rely on collaborationist domestic minorities to maintain control responded to the awareness from the Balkan experience that such alliances are volatile, and may trigger uncontrollable interethnic conflict antithetical to the objective of a trouble-free occupation.
The rebels killed thousands in a rampage apparently driven by interethnic rivalries, hostility toward Congolese officials of any kind, and a response in kind to the colonial racial policies of the past.
If only the learning experience there could be modified to include at least occasional interethnic cooperation toward mutual successes, perhaps cross-group friendships would have a place to grow.
Terman tweaked his test to close a gender gap but not the interethnic differences.