Legal English the history of the development of English as a legal language. In prehistoric Britain, traditional common law was discussed in the vernacular (see Celtic law). The legal language and legal tradition changed with waves of conquerors over the following centuries. Roman Britain (after the conquest beginning in AD 43) followed Roman legal tradition, and its legal language was Latin. Following the Roman departure from Britain circa 410 and the Anglo-Saxon invasion of Britain, the dominant tradition was instead Anglo-Saxon law, which was discussed in the Germanic vernacular (Anglo-Saxon, Old English), and written in Old English since circa 600, beginning with
Dutch language of the local Germanic populace as opposed to Latin, the non-native language of writing and the Catholic Church. In the first text in which it is found, dating from 784, "theodisce" refers to Anglo-Saxon, the West Germanic dialects of Britain. Owing to commercial and colonial rivalry in the 16th and 17th centuries between England and the Low Countries, a cognate of "theodisk" (most likely Middle Dutch "Duutsc") was borrowed into English and developed into the exonym "Dutch", which came to refer exclusively to the people of the Netherlands. (A usage of the English term "Dutch" that includes German survives in