ambit
noun /ˈæmbɪt/
  /ˈæmbɪt/
[singular] (formal)- the range of the authority or influence of something- within the ambit of something This case falls clearly within the ambit of the 2001 Act.
 Word Originlate Middle English (in the sense ‘precincts, an area’): from Latin ambitus ‘circuit’, from ambire ‘go round’.