Etelä-Dakota (Finnish) comes from Finnish etelä, from Slovak Etela, from English ethel, from Middle English ethel, from Old English æþel, from Old English æþele, from Proto-Germanic aþalaz, from Proto-Germanic aþalą — to grow, nourish; beyond, other; to wander, roam.
Ancestry of “Etelä-Dakota”, step by step
Etelä-Dakota traces back through 3 separate lines of ancestry.