astragyromancy

Possibly a joining of astragalomancy and gyromancy (spinning of the dice).

astragyromancy (uncountable)

1. Divination by dice.
   • 1970, Richard Cavendish, Man, Myth & Magic: An Illustrated Encyclopedia of the Supernatural:

     Known as astragalomancy or astragyromancy, this method is supposed, righdy or wrongly, to make clear to man the designs of providence, the will of the gods, the decrees of fate.

   • [1973, Walter B. Gibson, Litzka R. Gibson, The Complete Illustrated Book of Divination and Prophecy, London: Souvenir Press, published 1987, →ISBN, page 312:

     ASTRAGALOMANCY or ASTRAGYROMANCY: Divination with dice, ranging from crude bones with primitive markings to cubes bearing spots, letters, or cabalistic symbols, all interpreted by the bone caster.]

   • 1992, Max Maven, Max Maven's book of fortunetelling, page 45:

     This is an extremely simple form of sortilege related to astragalomancy or astragyromancy (from the Greek astragalos, meaning "vertebra, knucklebone"), which began about 5,000 years ago.

• astragalomancy

• astragalomancy on Wikipedia.Wikipedia