inquiry
/ɪnˈkwaɪri/ /ˈɪnkwəri/
noun
or chiefly Brit enquiry , pl -ries
[count] :a request for information
[count] :an official effort to collect and examine information about something :investigation
In British English, a person who is being questioned by the police as a suspect or a witness is said to be helping the police with their inquiries.
[noncount] :the act of asking questions in order to gather or collect information