decennalis

From decennis (“10-year”) +‎ -ālis (“-al: forming adjectives”), from decem (“ten”) + annus (“year”) + -is (“forming compound adjs”). Equivalent to decem + annāles (“of or related to a year”).

• (Classical) IPA^(key): /de.kenˈnaː.lis/, [d̪ɛkɛnˈnäːlʲɪs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /de.t͡ʃenˈna.lis/, [d̪et͡ʃenˈnäːlis]

decennālis (neuter decennāle); third-declension two-termination adjective

1. decennal, of or related to a 10-year period

Third-declension two-termination adjective.

• annālis, quīnquennālis, vīcennālis

• English: decennal
• Italian: decennale