localism (n.)
1803, "attachment to a particular locality," from local (adj.) + -ism. Always tending toward "limitation through local attachment, provincialism." Meaning "something (especially a way of speech) characteristic of a particular locality" is from 1823.
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}