Quindecennalia
noun ·Rare ·Advanced level
Definitions
- 1 The festival and religious rituals sometimes observed celebrating a Roman emperor's 15th year of rule. historical
"There is evidence, that the quindecennalia, of fifteenth anniversary of Trajan's proconsular authority, and of his adoption to the empire, was celebrated in 111, or the year after Pliny's arrival in Bithynia."
Example
More examples"There is evidence, that the quindecennalia, of fifteenth anniversary of Trajan's proconsular authority, and of his adoption to the empire, was celebrated in 111, or the year after Pliny's arrival in Bithynia."
Etymology
From Latin quīndecennālia, from quīndecennium (“15-year period”) + -ālia (“-alia: forming the names of festivals”), from quīndecennis (“15-year”) + -ium (“-ium: forming abstract nouns”). Equivalent to quin- + decennalia, quindec- + ennalia, or Latin quindecennium + -alia.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.