noun (plural ~s or ordines) Etymology: Medieval Latin, from Latin, order Date: 1849 a list of offices and feasts of the Roman Catholic Church for each day of the year
ORDO
Meaning of ORDO in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012