(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.
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...