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
White Anglo-Saxon Protestant "Anglo-Saxon" referred to the language of indigenous inhabitants of England before 1066, especially in contrast to Norman French influence after that. Since the 19th century it has been in common use in the English-speaking world, but not in Britain itself (in this context), to refer to Protestants of principally English descent. The "W" and "P" were added in the 1950s to form a humorous epithet with an undertone of "waspishness" (which means a person who is easily irritated and quick to take offense). The first published mention of the term "WASP" was provided by political scientist Andrew Hacker in 1957,