circumfluent
/ˌsɜːrkəmˈflʊɛnt/; /sərˈkʌmflʊɛnt/Definitions
1. adjective
surrounding or flowing around something
“The circumfluent waters of the lake made the surrounding landscape beautiful.”
2. noun
a river or stream that flows around a lake or island
“The circumfluent river formed a serene pathway around the lake’s shoreline.”