Delisean

Background
Delisean, is an indigenous language spoken in Spain, of the Delta-Mevevta family, as Meula and Kabean.

Nouns
Originally, the dual form was made with -a and the plural with -eth, but the dual form became used for general plural except for commonly dual nouns, which also have lost its dual in the modern language. Modern nouns can have a dual form adding the preffix i-, ik- (for accusative), or ü- (for dative) to the plural form.