Answer
Encephalo- means “within the head” or “brain”. A term that uses this element is electroencephalogram.
Work Step by Step
Encephalo- comes from Greek from en- “in” and cephalon- “head” and means “within the head” or “brain”.
An example is electroencephalogram from electro- “electricial”, encephalo- “brain” and -gram “record”. An electroencephalogram is a recording of electrical brain activity.