circumjacent
adjective
[ ˌsəːkəmˈdʒeɪs(ə)nt ]
• surrounding.
• "the circumjacent parts of the mouth"
Origin:
late 15th century: from Latin circumjacent- ‘lying round about, bordering upon’, from the verb circumjacere, from circum ‘around’ + jacere ‘to lie’.