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出典:Wiktionary
出典:『Wiktionary』 (2025/10/23 21:09 UTC 版)
From decem (“ten”) + annus (“year”) + -is (forming compound adjectives).
decennis (neuter decenne); third-declension two-termination adjective (only attested from post-Augustan Latin)
Third-declension two-termination adjective.
decennis