A galero (plural: galeri; from Latin: galērum, originally connoting a helmet made of skins; cf.
Over the centuries, the red galero was restricted to use by individual cardinals while such other colors as black, green and violet were reserved to clergy of other ranks and styles.
Traditionally, the galero hangs over a cardinal's tomb until it is reduced to dust, symbolizing how all earthly glory is passing.
[citation needed] The privilege of wearing the red galero was first granted to cardinals by Pope Innocent IV in 1245 at the First Council of Lyon.
Cardinal Jean Cholet used his galero to crown Charles of Valois in 1285 at Girona during the Aragonese Crusade, pronouncing him King of Aragon.
[7] The galero continues to appear today in ecclesiastical heraldry as part of the achievement of the coat of arms of an armigerous Catholic cleric.