ambit (n.)

late 14c., "space surrounding a building or town; precinct;" 1590s, "a circuit;" from Latin ambitus "a going round, a circuit, circumference," noun use of past participle of ambire "to go around, go about," from amb- "around" (from PIE root *ambhi- "around") + ire "go" (from PIE root *ei- "to go").