circumambient
adjective
cir·cum·am·bi·ent ˌsər-kəm-ˈam-bē-ənt 
: being on all sides : encompassing
circumambiently adverb
Word History
Etymology
Late Latin circumambient-, circumambiens, present participle of circumambire to surround in a circle, from Latin circum- + ambire to go around — more at ambient
First Known Use
1633, in the meaning defined above