"Kundalini is the static form of the creative energy in bodies which are the source of all energies including Prana...
"This word comes from the adjective Kundalina, or "coiled." She is spoken of as "coiled" because she is sleeping, lies coiled; and because the nature of her power is spiraline...
"In other words, this Kundalini shakti is that which, when it moves to manifest itself, appears as the Universe. To say that it is "coiled" is to say that it is at rest - that is, in the form of static potential energy...
Taken from Treatise On Cosmic Fire by Alice Bailey