capnomancy

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capnomancy

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Ancient Greek καπνός (kapnós, “smoke”); capno- +‎ -mancy

capnomancy (uncountable)

(divination) Divination by interpreting smoke rising from a fire. A form of pyromancy.
- 1610, Vives in J. Healey Saint Augustine of the Citie of God
  Diuination generally was done by diuers means...by smoake, Capnomancy.
- 1897, Three Bks Occult Phil. lvii. (Agrippa)
  To these is also added Capnomancy, so called from smoke, because it searcheth into the flame and smoke; and thin colors, sounds and motions when they are carried upright, or on one side, or round...

class of divinatory methods involving smoke