Greek word
katanýssō
κατανύσσω
What it means
to pierce thoroughly, i.e. to agitate violently
to pierce thoroughly, i.e. (figuratively) to agitate violently ("sting to the quick")
Where it comes from
from katá (κατά) and nýssō (νύσσω)
How the King James translates it
Every place it appears 1
Acts2:37