octennial

These 90 days he divided into 2 months of 22 and 2 of 23 days, ([2 × 22] + [2 × 23] = 90,) and introduced them alternately every second year for two octennial periods: every third octennial period, however, Numa intercalated only 66 days instead of 90 days, _i.e. _ he inserted 3 months of only 22 days each.

The History of Rome, Books 01 to 08 Titus Livius

Now an octennial cycle is the shortest period at the end of which sun and moon really mark time together after overlapping, so to say, throughout the whole of the interval.

Chapter 24. The Killing of the Divine King. § 3. Kings killed at the End of a Fixed Term 1922

Without being unduly rash we may surmise that the tribute of seven youths and seven maidens whom the Athenians were bound to send to Minos every eight years had some connexion with the renewal of the king's power for another octennial cycle.

The Golden Bough: A Study in Magic and Religion 1922

Now an octennial cycle is the shortest period at the end of which sun and moon really mark time together after overlapping, so to say, throughout the whole of the interval.

The Golden Bough: A Study in Magic and Religion 1922

Without being unduly rash we may surmise that the tribute of seven youths and seven maidens whom the Athenians were bound to send to Minos every eight years had some connexion with the renewal of the king’s power for another octennial cycle.

Chapter 24. The Killing of the Divine King. § 3. Kings killed at the End of a Fixed Term 1922

Minos every eight years had some connexion with the renewal of the king's power for another octennial cycle.

The Golden Bough James George Frazer 1897

Now an octennial cycle is the shortest period at the end of which sun and moon really mark time together after overlapping, so to say, throughout the whole of the interval.

The Golden Bough James George Frazer 1897

After much difficulty Townshend obtained the augmentation, with the proviso that 12,000 troops should be kept in the country, and the patriotic party, Lord Charlemont, Lucas, Flood, and others, were gratified by the octennial act limiting the duration of parliament to eight years.

The Political History of England - Vol. X. The History of England from the Accession of George III to the close of Pitt's first Administration William Hunt 1886

But the octennial solemnity in honor of the god included at first no other competition except that of bards, who sang each a pæan with the harp.

The Great Events by Famous Historians, Volume 01 Rossiter Johnson 1885

The octennial festival hitherto celebrated at Delphi in honor of the god, including no other competition except in the harp and the pæan, was expanded into comprehensive games on the model of the Olympic, with matches not only of music, but also of gymnastics and chariots -- celebrated, not at Delphi itself, but on the maritime plain near the ruined Cirrha -- and under the direct superintendence of the Amphictyons themselves.

The Great Events by Famous Historians, Volume 01 Rossiter Johnson 1885