Conversation so far:
who are the Powhatan people?
The Powhatan people may refer to any of the Indigenous Algonquian people that are traditionally from eastern Virginia.
which language is Powhatan referred to in historical writings?
The Powhatan language is an eastern-Algonquian language. The Powhatan may refer to one of the leaders of the people, most commonly the case in historical writings by the English.

Question: Powhatan which refers?
Self-contained rewrite: What does Powhatan refer to?