Octaeteris

//ˌɑktaɪˈtɪɹɪs// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Synonym of octennium: An 8-year period, particularly (historical) in Greek calendrical and astronomical calculations.

    "The octaëteris, or lunæsolar cycle of eight years, is a form of the lunar reckoning of annual time totally distinct from and independent of the reckoning of solar in the primitive equable calendar."

Synonyms

All synonyms
octenniumoctennium

Example

More examples

"The octaëteris, or lunæsolar cycle of eight years, is a form of the lunar reckoning of annual time totally distinct from and independent of the reckoning of solar in the primitive equable calendar."

Etymology

Borrowed from Ancient Greek ὀκταετηρίς (oktaetērís, “8-year [period]”).

Related phrases

ancient greekmetonic cycle

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.