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
Germanic parent language Germanic parent language In historical linguistics, the Germanic parent language (GPL) includes the reconstructed languages in the Germanic group referred to as Pre-Germanic Indo-European (PreGmc), Early Proto-Germanic (EPGmc), and Late Proto-Germanic (LPGmc), spoken in the 2nd and 1st millennia BC. The less precise term "Germanic", that appears in etymologies, dictionaries, etc., loosely refers to a language spoken in the 1st millennium AD, proposedly at that time developing into the group of Germanic languages—a stricter term for that same proposition, but with an alternative chronography, is "Proto-Germanic language". As an identifiable neologism, "Germanic parent language" appears to have been first used