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octennium

出典:『Wiktionary』 (2025/11/03 19:59 UTC 版)

名詞

octennium (plural octenniums or octennia)

1. (rare) An eight-year period.
   Coordinate terms: annum, biennium, triennium, quadrennium, quinquennium, sexennium, septennium, novennium, decennium, centennium, vicennium, tricennium, quincentennium, millennium, decamillennium, centimillennium, millionennium

関連する語

• (adj.): octennial, octaeteric

参照

• “octennial, adj.”, in OED Online ⁠, Oxford: Oxford University Press, 2022.

発音

• (Classical Latin) IPA: [ɔkˈtɛn.ni.ũː]
• (modern Italianate Ecclesiastical) IPA: [okˈt̪ɛn.ni.um]

名詞

octennium n (genitive octenniī); second declension

1. (Late Latin) a period of eight years, novennium
   • c. 431 CE, Macrobius, Saturnalia 1.13.11-13:
     Hunc ergo ordinem Romanis quoque imitari placuit: sed frustra, quippe fugit eos diem unum, sicut supra ammonuimus, additum a se ad Graecum numerum in honorem inparis numeri. Ea re per octennium convenire numeri †que ordo non poterat. Sed nondum hoc errore conperto† octo annos nonaginta quasi superfundendos Graecorum exemplo, conputabant dies, alternisque annis binos et vicenos, alternis ternos vicenosque intercalantes expensabant intercalationibus quattuor. Sed octavo quoque anno intercalares octo affluebant dies ex singulis quibus vertentis anni numerum apud Romanos super Graecum abundasse iam diximus. Hoc quoque errore iam cognito haec species emendationis inducta est. Tertio quoque octennio ita intercalandos dispensabant dies, ut non nonaginta sed sexaginta sex intercalarent, conpensatis viginti et quattuor diebus pro illis qui per totidem annos supra Graecorum numerum creverant.
     (please add an English translation of this quotation)

等位語

• (2-year period): biennium
• (3-year period): triennium
• (4-year period): quadriennium
• (5-year period): quīnquennium
• (6-year period): sexennium
• (7-year period): septuennium
• (9-year period): novennium
• (10-year period): decennium

Further reading

• “octennium”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “octennium”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.

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