circumjacent (adj.) Look up circumjacent at Dictionary.com
late 15c., from Latin circumiacens, present participle of circumiacere "to border upon, to lie round about, enjoin," from circum "around, round about" (see circum-) + iacere "to throw, cast, hurl" (from PIE root *ye- "to throw, impel"). Related: Circumjacence; circumjacency.