euchologion; prayer book
A book used in the ordination of Anglican ministers, or in certain Roman Catholic services
An ordinal number such as first, second and third.
2005, F. M. Wheelock, Wheelock’s Latin, 6th edition, revised, page 97
The most common numerals in Latin, as in English, are the "cardinals"[…]and the "ordinals"[…]
Intercardinal.
Pertaining to a taxon at the rank of order.
Indicating position in a sequence.