Ruan-sur-Egvonne

== French == === Etymology === 1970. Formerly Ruan, from Latin Rothomagum. === Proper noun === Ruan-sur-Egvonne m a village and commune of Loir-et-Cher department, Centre-Val de Loire, France Meronym: Malnoue === Further reading === Géoportail, Institut national de l'information géographique et forestière, 2019