Polhill Anglo-Saxon cemetery but following the collapse of Roman rule in 410 CE, many signs of Romano-British society began to disappear, replaced by those of the ascendant Anglo-Saxon culture. Later Anglo-Saxon 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
Anglo-Saxon architecture was introduced from the Continent, as in the now built-over additions to Westminster Abbey made from 1050 onwards, already influenced by Norman style. In recent decades architectural historians have become less confident that all undocumented minor "Romanesque" features post-date the Norman Conquest. Although once common, it has been incorrect for several decades to use the plain term "Saxon" for anything Anglo-Saxon that is later than the initial period of settlement in Britain. Early Anglo-Saxon buildings in Britain were generally simple, constructed mainly using timber with thatch for roofing. Generally preferring not to settle within the old Roman cities, the Anglo-Saxons