noun word-forming element meaning "one who" (operates, produces, deals in); Englished form of French -ier, from Latin -arius, -iarius; compare -ary. Usually in English words of more recent borrowing from French; older words tend to keep -ier.
1708, "one whose business is to offer goods or property for sale by auction," from auction (n.) + -eer. From 1733 as a verb, "to sell by auction." Related: Auctioneering.
1610s, "journalist," from gazette (n.) + -eer. Meaning "geographical dictionary" is from 1704, from Laurence Eachard's 1693 geographical handbook for journalists, "The Gazetteer's, or Newsman's, Interpreter," second edition simply titled "The Gazetteer."
