propagate
verb (used with object)
to cause (an organism) to multiply by any process of natural reproduction from the parent stock.
Used to describe an action that will be fully completed or achieved by a specific point in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It can be demonstrated similarly that at this same moment the light that has come along any other ray, such as LM, MN, will have propagated the movement which is terminated at the arc BP.
From Treatise on Light by Christiaan Huygens