-vin noun
or mord·vin·i·an mȯrdˈvinēən
( plural mordvin or mordvins or mordvinian or mordvinians )
Usage: capitalized
1.
a. : an agricultural people of the middle Volga provinces of European Russia
b. : a member of such people
2. : a Finno-Ugric language of the Mordvin people — see uralic languages table