From the French for "to disguise", it was "dazzle painting" to the British navy in WWI
[DOC] [TLE] WWI & WWII - STRANGE RAZZLE DAZZLE CAMOUFLAGE PAINT ... [PAR] "Dazzle camouflage, also known as razzle dazzle or dazzle painting, was a 
family of ship .... dazzle camouflage: French artists were hired to paint war ships.