More on Patavinity from Infoplease:

• Patavinity - Patavinity A provincial idiom in speech or writing; so called from Patavium (Padua), the birthplace ...
• Patter - Patter To chatter, to clack. Dr. Pusey thinks it is derived from Paternoster (the Lord's ...
• Dictionary of Phrase and Fable: P - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "P"