Every day we use countless words and expressions without thinking about them—often without having the faintest idea what they really describe or signify. What, for instance, is the hem in hem and haw, the shrift in short shrift, the fell in one fell swoop? When you are overwhelmed, where is the whelm that you are over, and what exactly does it look like? And why, come to that, can we be overwhelmed or underwhelmed, but not semiwhelmed or—if our feelings are less pronounced—just whelmed?
