What is "evron"

''' Évron ''' is a commune in the Mayenne department in north-western France. Evron (pop. 6,700) is noted for its chapel of Notre-Dame-de-l'Epine (12th century), with 13th-century wall paintings and Aubusson tapestries. The nave and tower of the church of Notre-Dame date from the 11th century, the rest of the structure dates from the 18th century.