periphery

 
Pronunciation: /pəˈrɪf(ə)ri/

noun (plural peripheries)

  • the outer limits or edge of an area or object: new buildings on the periphery of the hospital site
  • a marginal or secondary position in, or aspect of, a group, subject, or sphere of activity: a shift in power from the centre to the periphery

Origin:

late 16th century (denoting a line that forms the boundary of something): via late Latin from Greek periphereia 'circumference', from peripherēs 'revolving around', from peri- 'around' + pherein 'to bear'