What is "propogated"

Usage examples of "propogated".

Shared Moment of almost five centuries ago must have propogated everywhere in the universe along the quantum fabric of the Void Which Binds, touching alien races and cultures so distant as to be unreachable by any technology of human travel or communication while adding the first self-aware human voice to the empathic conversation that had been going on between sentient and sensitive species for almost twelve billion years.