decennis

decennis

1. plural of decenni

From deciēs (“ten times”) +‎ annus (“year”) +‎ -is (suffix forming compound adjectives).

• (Classical Latin) IPA^(key): /deˈken.nis/, [d̪ɛˈkɛnːɪs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /deˈt͡ʃen.nis/, [d̪eˈt͡ʃɛnːis]

decennis (neuter decenne); third-declension two-termination adjective

1. decennial, of ten years, lasting ten years, ten years old

Third-declension two-termination adjective.

• biennis, triennis, quadriennis, quinquennis, sexennis, septuennis, octennis, novennis, undecennis, duodecennis, tridecennis, quattuordecennis, quindecennis, sedecennis, septendecennis, duodevicennis, undevicennis, vicennis, tricennis, quadragennis, quinquagennis, sexagennis, septuagennis, octogennis, nonagennis, centennis, ducentennis, trecentennis, quadringentennis, quingentennis, sescentennis, septingentennis, octingentennis, nongentennis, millennis

• Italian: decenne

• “decennis”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press