emanation

(noun) something that is emitted or radiated (as a gas or an odor or a light, etc.).

(noun) the act of emitting; causing to flow forth. Synonyms: emission.

(noun) (theology) the origination of the Holy Spirit at Pentecost. Synonyms: rise, procession. Examples: "The emanation of the holy spirit." "The rising of the holy ghost." "The doctrine of the procession of the holy spirit from the father and the son."