enneatical

English

Etymology

Ancient Greek ἐννέα (ennéa, “nine”) +‎ -ical.

Adjective

enneatical (not comparable)

Occurring once in every nine times, days, years, etc.; every ninth.

Related terms

enneadic

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “enneatical”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)