The word “Creek” derives from Old Norse and was in use by colonists in the Americas by the 1570s: it was then used by the colonists to refer to the Muskogee people that they first encountered at the previously-named Ochese Creek: www.etymonline.com/word/creek
Creek - Etymology, Origin & Meaning"narrow inlet in a coastline," altered from kryk (early 13c.; in place names from 12c.),… See origin and meaning of creek.www.etymonline.com