[https://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English] bartren, from Anglo-French bareter to do [[business]], exchange, alteration of Old French barater | [https://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English] bartren, from Anglo-French bareter to do [[business]], exchange, alteration of Old French barater |