This 5-letter synonym of "question" comes from the Latin for "to ask" or "to seek"
6. inquire after, to ask about the state of health or 
condition of: ... 1250-1300; Middle English < Latin inqurere to seek for (see in-2, 
query )... [DOC] [TLE] Inquirers | Define Inquirers at Dictionary.com [PAR] Inquirers definition, to seek information by questioning; ask: to inquire about a 
person.