enneatical

== English == === Etymology === Ancient Greek ἐννέα (ennéa, “nine”) +‎ -ical. === Adjective === enneatical (not comparable) (obsolete) Occurring once in every nine times, days, years, etc.; every ninth. ; ==== Related terms ==== enneadic === References === “enneatical”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.