What is the use of local or provincial words, as in the peculiar style or diction of Livy, the Roman historian; -- so called from Patavium, now Padua, the place of Livy's nativity called?

patavinity — The use of local or provincial words, as in the peculiar style or diction of Livy, the Roman historian; -- so called from Patavium, now Padua, the place of Livy's nativity. (Webster's 1913.)