Which European language gave us the words cookie nitwit and sleigh?

The European language that gave us the words "cookie," "nitwit," and "sleigh" is Dutch.

Here's a breakdown:

* Cookie: Derived from the Dutch word "koekje," meaning "little cake."

* Nitwit: Derived from the Dutch word "nit," meaning "fool" or "simpleton," and "wit," meaning "person."

* Sleigh: Derived from the Dutch word "slede," meaning "sled."

These words entered the English language during the Middle Ages, when there was extensive trade and cultural exchange between England and the Netherlands.