relating to or based on the number eight

a group or set of eight

आठ का समूह

English Usage: The club was formed by an octonary of friends who shared a passion for hiking.

Hindi Usage: क्लब आठ दोस्तों द्वारा बनाया गया था जो ट्रैकिंग के प्रति जुनूनी थे।