tricennis

From trīciēs (“thirty times”) +‎ annus (“year”) +‎ -is (“forming compound adjectives”).

• (Classical) IPA^(key): /triːˈken.nis/, [t̪riːˈkɛnːɪs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /triˈt͡ʃen.nis/, [t̪riˈt͡ʃɛnːis]

trīcennis (neuter trīcenne); third-declension two-termination adjective

1. tricennial, of or related to a 30-year period, lasting 30 years, 30 years old.

Lua error in Module:utilities at line 142: attempt to perform arithmetic on local 'h' (a nil value)

• decennis, vicennis

• tricennium

• "tricennis" in Francesco Arnaldi & al. (1964), Latinitatis Italicae Medii Aevi... Lexicon Imperfectum, Vol. IV