Domicile

DOM-ih-syl

greek: Οἶκος (Oikos) · latin: Domicilium

Definition

A planet’s domicile — also called its rulership — is the sign it rules, the place where it has its strongest essential dignity, the strength a planet draws from its sign. Think of it as the planet’s own home. The Sun rules Leo, the Moon rules Cancer, Mercury rules Gemini and Virgo, Venus rules Taurus and Libra, Mars rules Aries and Scorpio, Jupiter rules Sagittarius and Pisces, and Saturn rules Capricorn and Aquarius. These pairings come from the Thema Mundi, an ideal chart of the cosmos, and are arranged symmetrically by how fast each planet moves.

In Tradition

Traditional Western astrologers read a planet in its own domicile as fully dignified — acting with the most authority and competence it can have, because it is at home and in charge. The planet that rules a sign, its domicile lord, is treated as the main ruler of whatever that sign governs in the chart.

In Practice

Checking which planets sit in their own domicile is the first step astrologers take when weighing essential dignity, and in the traditional scoring system domicile is worth +5 points. The planet ruling any house cusp becomes the main significator — the stand-in — for that house’s topics. In horary, the branch that answers specific questions, the state of that domicile lord shows whether a significator can actually deliver on the matter asked about. Domicile also drives dispositorship: the ruler of the sign a planet sits in becomes that planet’s dispositor, and following those links forms chains of rulership running through the whole chart.

Historical Origin

The domicile system comes from the Thema Mundi, a mythical birth chart of the cosmos that Hellenistic astrologers used as a teaching tool. The Greek term is oikos (house or dwelling). Its symmetrical arrangement was set down in Ptolemy’s Tetrabiblos (c. 150 CE) and was likely inherited from Mesopotamian traditions.

Etymology

Origin: Latin. Meaning: From Latin domicilium, "dwelling place" or "home." The Greek equivalent is Oikos, meaning "house" or "household.".

Definition

In Tradition

In Practice

Historical Origin

Etymology

Further Reading