Answer
Peri- means “around”. A term that uses this element is pericardium.
Work Step by Step
Peri- comes from Greek and means “around”.
An example is pericardium from peri- “around” and cardium meaning “heart”. The pericardium is a two-layered membrane that enfolds the heart.
Another example is perianal from peri- “around” and anal “anus”. Perianal is the area around your anus.