IPA: /ˈɔːrdəʊ/
KK: /ˈɔrdəʊ/
A specific calendar used by the Roman Catholic Church that outlines the Mass and office to be celebrated on each day of the year, including a list of offices and feasts.
The priest referred to the ordo to plan the services for the upcoming week.
Ordo is a Latin word meaning order or arrangement. It is the root of several English words related to organization and structure, such as 'order' and 'ordinal.'
Think of 'ordo' as representing a sense of arrangement or organization, which helps you remember that it relates to order.