Ebdomadici and Enneadici

Definition

Ebdomadici and enneadici are the Greek names Firmicus keeps for the seven-year and the nine-year crisis-cycles — paired numerological rhythms held to bring dangerous turning-points across a life. The seven-year periods are the ebdomadici (Greek ἑβδομαδικοί), the nine-year ones the enneadici (ἐνναδικοί). Multiply the two and you reach the sixty-third year, the androclas, counted as the most dangerous climacteric of all.

In Tradition

Firmicus preserves the doctrine that the seven-year and nine-year periods the Greeks call ebdomadici and enneadici mark out years of serious danger, working on a person through hidden crises. If each cycle alone signals peril, the sixty-third year — where the seventh seven and the ninth nine coincide, 7 times 9 — carries far more. The framework sets Firmicus within the Hellenistic-Egyptian length-of-life tradition, where these septenary and nonary counts interact with the transits of the malefics to single out crisis-years.

In Practice

Track two overlapping clocks across a life: one ticking every seven years, one every nine. Each marks a year the tradition flagged as exposed to crisis. The years where the two cycles fall together carry the sharpest warning — above all the sixty-third, the climacteric the old writers called the androclas. Read these as years to watch rather than fixed sentences, and weigh them alongside what the malefics are doing by transit. The doctrine belongs to the broader length-of-life apparatus, a way of asking when a life is most structurally at risk.

Historical Origin

Firmicus Maternus names the cycles in the Mathesis (p. 148 in Jean Rhys Bram's translation). There he gives the Greek ebdomadici (seven-year) and enneadici (nine-year) climacteric periods, singling out the sixty-third year — the product of the two — as the gravest danger.

Etymology

Origin: Greek. Meaning: of the seven; of the nine.

Further Reading

• Firmicus Maternus, Mathesis
• Chris Brennan, Hellenistic Astrology