Question of the Day

A member of my congregation asked me this (I don't know why they thought I'd know), I thought I'd throw the question out to all the smart, attractive, funny, and wise people who visit this blog.

Question: in the hymn "A Mighty Fortress...", the 3rd verse ends with, "one little word shall fell him". Then the next verse starts, "That Word above all earthly powers, no thanks to them, abideth,..." What is that little word?

My initial guess is: We're talking 2 different words, here. V. 3 is referring to 2 Thess 2:8. I *think* v.4's That Word is Scripture . .. maybe it's the Logos . . .

Anyone else have any ideas?