Greek word
plḗssō
πλήσσω
What it means
to pound, i.e. to inflict with
to pound, i.e. (figuratively) to inflict with (calamity)
Where it comes from
apparently another form of plássō (πλάσσω) (through the idea of flattening out)
How the King James translates it
Every place it appears 1
Revelation8:12