decant
verb (used with object)
to pour (wine or other liquid) gently so as not to disturb the sediment.
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.
Since the day before, after pounding the nerve substance of a sheep in distilled water, he had been decanting and filtering it.
From Doctor Pascal by Mary J. (Mary Jane) Serrano