octaeteris
English
Etymology
Borrowed from Ancient Greek ὀκταετηρίς (oktaetērís, “8-year [period]”).
Noun
octaeteris (plural octaeterides)
- An octennium, a period of eight (8) years (chiefly) in the Ancient Greek calendar or in reference to the short lunisolar cycle.
- 1852, Edward Greswell, “On the Lunar in Contradistinction to the Solar Modifications of the Primitive Calendar”, in Fasti Temporis Catholici and Origines Kalendariæ. [...] In Four Volumes, volume I, Oxford: At the University Press, →OCLC, section V (The Octaëteris), page 564:
- 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
- octennium (rare)
Related terms
- (adj.): octaeteric, octennial
- (19-year lunar cycle): Metonic cycle, enneadecaeteris
- (eight things): octad