Sentence Examples with the word Mysterio

In the West the custom, long universal, of marking the seasons of the ecclesiastical year and the more prominent fasts and festivals by the colour of the vestments of clergy and altar dates, approximately, from the 12th century: the subject is mentioned (c. 1200) in the treatise of Innocent III., De sacro altaris mysterio (cap. 10), where the rules are laid down which are still essentially those of the Roman Church,' though the liturgical colours were only four, violet belonging to the category of black - as that of mourning.