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-Saxon art between them left virtually nothing in England except for books and archaeological finds. Metalwork is almost the only form in which the earliest Anglo-Saxon art has survived, mostly in Germanic-style jewelry (including fittings for clothes and weapons) which was, before the Christianization of Anglo-Saxon England, commonly placed in burials. After the conversion, which took most of the 7th century, the fusion of Germanic Anglo-Saxon, Celtic and Late Antique techniques and motifs, together with the requirement for books, created Hiberno-Saxon style, or Insular art, which is also seen in illuminated manuscripts and some carved stone and ivory, probably mostly drawing from