broach
noun
an elongated, tapered, serrated cutting tool for shaping and enlarging holes.
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.
So I thought I would feel my way to developing an idea we had been broaching, Julius and I, just that very time by the obelisk.
From Somehow Good by William Frend De Morgan