"Denoting or belonging to one of several strict orders of Catholic friars or nuns who go barefoot or are shod only in sandals", Mid 17th century: variant, influenced by French déchaux, of earlier discalceated, from Latindiscalceatus, from dis- (expressing removal) + calceatus (from calceus 'shoe').[discalced etymology, discalced origin, 英语词源]