Anglo-Norman language general use of the word "acre" for land measurement in Normandy until metrication in the 19th century, but these words are probably linguistic traces of Saxon or Anglo-Scandinavian settlements between the 4th and the 10th centuries in Normandy. Otherwise the direct influence of English in mainland Norman (such as "smogler" - to smuggle) is from direct contact in later centuries with English, rather than Anglo-Norman. When the Normans invaded England, Anglo-Saxon literature had reached a very high level of development. The important Benedictine monasteries both wrote chronicles and guarded other works in Old English. However, with the arrival of the
Anglo-Norman language of the language. By the late 15th century, however, what remained of insular French had become heavily anglicised: see Law French. It continued to be known as "Norman French" until the end of the 19th century even though, philologically, there was nothing Norman about it. One notable survival of influence on the political system is the use of certain Anglo-French set phrases in the Parliament of the United Kingdom for some endorsements to bills and the granting of Royal Assent to legislation. These set phrases include: The exact spelling of these phrases has varied over the years; for example, "s'avisera"