Origin: 1250–1300;Middle Englishgridirne, gridir(e), gridere, variant of gridelgriddle; variants in -irne, -ire, etc. are associated by folk etymology with ModE variant irne, ireiron
early 14c., griderne, alteration (by association with iron) of gridire (late 13c.), a variant of gridil (see griddle). Confusion of "l" and "r" was common in Norman dialect.