stammer
verb (used without object)
to speak with involuntary breaks and pauses, or with spasmodic repetitions of syllables or sounds.
Used to describe an ongoing action or continuous state that will be taking place 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's hammering now, I'm afraid it will be stammering by-and-by.'
From The Library Magazine of Select Foreign Literature All volumes by Various