am ‧ bit /ˈæmbət, ˈæmbɪt/ BrE AmE noun [singular] formal
[ Date: 1500-1600 ; Language: Latin ; Origin: ambitus , from the past participle of ambire ; ⇨ ↑ ambient ]
the range or limit of someone’s authority, influence etc ⇨ remit
fall within the ambit of something
areas falling within the ambit of our research