dun
verb (used with object)
to make repeated and insistent demands upon, especially for the payment of a debt.
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He had been dunning for it for a year and a half.
From Martin Eden by Jack London