English Edit

Etymology Edit

From Late Latin octennium, from octennis (8-year) + -ium (forming abstract nouns).

Noun Edit

octennium (plural octenniums or octennia)

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

Synonyms Edit

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Latin Edit

Etymology Edit

From octennis (8-year) +‎ -ium (forming abstract nouns).

Noun Edit

octennium n

  1. (Late Latin) An eight-year period.

Descendants Edit

  • English: octennium