books.google.co.uk - The English language draws from a linguistic melting pot of many ages and cultures. Few can master all of the languages from which English draws proverbial wisdom and bon mots; fortunately for the rest of us, there is now The World Dictionary of Foreign Expressions....http://books.google.co.uk/books/about/World_dictionary_of_foreign_expressions.html?id=a4ddQNrt8e8C&q=potest&utm_source=gb-gplus-shareWorld dictionary of foreign expressions