Question: The Patapsco River is a 39 mi river in central Maryland, Patapsco is derived from which subgroup, of the Algonquian languages?
Sentence (from "Patapsco River"): The name "Patapsco" is derived from the Algonquian "pota-psk-ut", which translates to "backwater" or "tide covered with froth."
Relevant evidence: Yes