Southern Athabaskan grammar
Southern Athabaskan (also Apachean, Southern Athabascan) is a branch of the Athabaskan language family spoken in the North American Southwest. == Typological overview == Typologically, Southern Athabaskan languages are mostly fusional, polysynthetic, nominative–accusative head-marking languages.
Source: Wikipedia — Southern Athabaskan grammar (CC BY-SA 4.0)