Besiegement

bih-SEEJ-muhnt

Definition

Besiegement is when a planet is trapped between the two traditional malefics — Mars and Saturn — separating from one and moving toward the other, with no helpful ray from Jupiter or Venus reaching into the gap between them. Hellenistic astrology calls it "enclosure"; Arabic names it ḥiṣār, and medieval Latin obsessus. How tight matters: classical authors single out a besiegement within about seven degrees as the most severe.

In Tradition

Hellenistic and Arabic-Persian-Latin horary doctrine reads besiegement as one of the strongest forms of harm a planet can suffer. Sahl ibn Bishr defines it as a planet "between two malefics, separated from one and joined to the other, without any other planet's ray projected between them," and adds it is "more strongly so, and worse, if the separation and conjunction were from 7° and less." Bonatti, Lilly, and the wider medieval and Renaissance tradition all treat besiegement as a major weakening of the besieged planet.

In Practice

Astrologers find besiegement by checking whether a planet has Saturn on one side and Mars on the other within a workable orb, then look for relief — a ray from the benefic Jupiter or Venus reaching into the gap, which softens or removes the affliction. In horary work — answering a question from the chart of the moment — a besieged significator is strong negative testimony, often decisive against the matter unless eased by reception or a translation of light from a benefic. In a birth chart, the besieged planet is read as held under steady pressure in its area of life, the two malefics acting as a pincer rather than as two separate aspects. The Arabic doctrine grades the judgment by tightness — the closer the separation and approach, the worse it reads. Some modern authors extend the idea to enclosure by hard-aspect rays from the malefics, not only by the planets being bodily present on either side.

Historical Origin

The doctrine already appears in the Hellenistic enclosure tradition (Greek emperischesis) and is codified in the Arabic horary literature: Sahl ibn Bishr, *Introduction to Astrology* §6 (9th c.); Masha'allah and the Persian school; and Abu Ma'shar, *Great Introduction*. It passes into Latin through Bonatti, *Liber Astronomiae* (13th c.), and Lilly carries it into English in *Christian Astrology* (1647). The late-20th-century traditional revival brought it back into general use through translations by Dykes, Hand, Schmidt, and Zoller.

Further Reading