Diex aie

Interjection

 * 1)  "God be with us."
 * 2)  The battle cry of the Dukes of Normandy, and the Normans at the Battle of Hastings.

Usage notes
More recently, it was used by the Royal Guernsey Light Infantry during the First World War, and on the Normandy Commemorative Medal of 1994. Motto of Fleet Air Arm N° 812 Squadron WWII