http://www.thefreedictionary.com/dict.asp?Word=afflatus
Afflatus, n.
A strong creative impulse, especially as a result of divine inspiration.
Latin affltus, from past participle of afflre, to breathe on : ad-, ad- flre, to blow
Close friend to inspiration, whose roots are also “inflationary” in nature:
Middle English enspiren, from Old French enspirer, from Latin inspirare : in-, into; see in-2 + spirare, to breathe.