environ

[Middle English envirounen, from Old French environner, from environ, round about : en-, in; see en-¹ + viron, circle (from virer, to turn; see veer¹).]

verb

To shut in on all sides: begird, beset, circle, compass, encircle, encompass, gird, girdle, hedge, hem, ring¹, surround. See open/close.

The verb has one meaning:

Meaning #1: be around
  Synonyms: surround, encircle, circle, round, ring