Where does “South Dakotan” come from?

South Dakotan (English) comes from English -án, from Middle English -an.

South Dakotan (English): A native or resident of the state of South Dakota...

Definitions

  1. A native or resident of the state of South Dakota...

Ancestry of “South Dakotan”, step by step

StepLanguageWordMeaning
1English-ánOf or pertaining to;. Often added to words of Latin origin, but also used with words of other origins. When a word ends in a
2Middle English-an—
Every word from Middle English -an →Every word from English -án →