Sarre Anglo-Saxon cemetery accounts attribute this change to the widescale invasion of Germanic language tribes from northern Europe, namely the Angles, Saxons, and Jutes. Archaeological and toponymic evidence shows that there was a great deal of syncretism, with Anglo-Saxon culture interacting and mixing with the Romano-British culture. The Old English term "Kent" first appears in the Anglo-Saxon period, and was based on the earlier Celtic-language name "Cantii". Initially applied only to the area east of the River Medway, by the end of the sixth century it also referred to areas to the west of it. The Kingdom of Kent was the first recorded
Anglo-Norman language Normans arrived in England, their copyists wrote English as they heard it, without realising the peculiarities of the relationship between Anglo-Saxon pronunciation and spelling and so the spelling changed. There appeared different regional Modern-English written dialects, the one that the king chose in the 15th century becoming the standard variety. In some remote areas, agricultural terms used by the rural workers may have been derived from Norman French. An example is the Cumbrian term "sturdy" for diseased sheep that walk in circles, derived from "étourdi" meaning giddy. Norman French also had some degree of influence on Frisian and Dutch, due