Dodekatropos

doh-deh-KAT-ro-pos

greek: δωδεκάτροπος (Dodekatropos)

Definition

The dodekatropos (Greek dodekatropos, "twelve-turning") is the Hellenistic name for the twelve-place system itself — all twelve houses, or topoi, taken as one whole rather than singled out one at a time. You will also see the variant dodekatopos ("twelve-place"), and the surviving manuscripts do not settle which spelling came first. The word names the earliest Hellenistic attempt to give every one of the twelve places a meaning, credited to Hermes Trismegistus. It stands beside an older eight-place scheme, the oktatropos ("eight-turning"), credited to Asclepius.

In Tradition

When Hellenistic astrologers said dodekatropos they meant the place-system as a single thing — the whole framework of twelve sectors with their assigned topics — not any one house. Astrologers count it as one of the two earliest systems for giving the places meaning, paired with the eight-place oktatropos. Later writers, Valens above all, are understood to have built their own house-by-house doctrines by blending these two older schemes together.

In Practice

When an astrologer says "dodekatropos" they mean the twelve-place grid as a system — the thing that whole-sign house assignment produces and that house-by-house interpretation reads. In practice this means treating the twelve places as one coordinated set: the angular, succedent, and declining triads give the whole its shape, the good-and-bad and busy-and-idle schemes sort the houses against one another, and each house's topic is read in relation to the others rather than alone. The dodekatropos-versus-oktatropos contrast matters when you trace where a doctrine comes from: a reading that runs through all twelve houses follows the Hermetic twelve-place line, one that stops at the eighth follows the Asclepian eight-place line, and Hellenistic compilations often mix the two. The word doubles as a scholarly title — modern studies of the ancient place-systems, including Manilius's unusual version, use it for the schema as a whole. You will hear "dodekatropos" when someone needs to name the twelve-place system itself, as opposed to a single house.

Historical Origin

The dodekatropos is first attested in Thrasyllus' Pinax (1st century CE), which preserves the Hermes Trismegistus twelve-place list. The term appears in Vettius Valens' Anthologiae, and the variant dodekatopos in the later epitome of Hephaistio of Thebes. Chris Brennan reconstructs the dodekatropos / dodekatopos title debate and the Hermes / Asclepius two-system foundation. Dorian Gieseler Greenbaum uses the term both for the Hellenistic schema and as the title-word of W. Hübner's 1995 critical study of Manilius's place doctrine.

Etymology

Origin: Greek. Meaning: Twelve-turning (the twelve-place system).

Definition

In Tradition

In Practice

Historical Origin

Etymology

Further Reading