What is "hyleg"

n. (context astrology English) In Hellenistic astrology, the planet with the greatest essential dignity in five important natal chart positions: the degree of the Sun; the degree of the Moon; the Ascendant; the Lot of Fortune; and the prenatal syzygy (that is, New Moon or Full Moon, whichever most closely preceded the birth).

In Hellenistic astrology, the hyleg is the Persian- Arabic term for the planet with the greatest essential dignity in five important natal chart positions (according to Ptolemy's Tetrabiblos):

• the degree of the Sun
• the degree of the Moon
• the Ascendant
• the Lot of fortune
• the pre-natal syzygy (that is, New Moon or Full Moon, whichever most closely preceded the birth.)

Some ancient authorities (viz. Vettius Valens) used slightly different chart positions to obtain the hyleg.

The word "hyleg" also appears in Chamber's Dictionary (1999) with the definition stating "the ruling planet at time of birth". The word derives from the Middle Persian word "hîlâk" meaning " nativity".