- -an
- suffix
also -ean -ian
1 (in adjectives and nouns) someone or something of, from, or connected with a particular thing, place, or person: an American (=person from America) | the pre-Tolstoyan novel2 (in nouns) someone skilled in or studying a particular subject: a historian (=someone who studies history)
Longman dictionary of contemporary English. 2004.