sentences:  Lesneven has its origins in the immigration from southwest Britain in the 5th and 6th centuries, and the name (Les-an-Even) means "court of Even" in Common Brittonic ("Llys-Ifan" in Welsh) after an alleged military leader of that period.Lesneven was the castle-town controlling Léon during the Middle Ages.The castle is now gone, but many buildings of the 15th-18th centuries are still to be found in the centre.