Rebecca in Austin, Texas, wonders why the terms cold sore and fever blister describe pretty much the same thing. Also, why do we say we have a cold, but we have the flu? The word flu comes from the Italian word for influence, influenza, and is a reference to an old belief that a contagious illness was influenced by celestial movements. This is part of a complete episode.
More from this show
According to Gobsmacked: The British Invasion of American English (Bookshop|Amazon) by Ben Yagoda, the word smarmy, meaning “unctuous” or “ingratiating,” may come from a 19th-century magazine contest, in which readers sent in...
Mary Beth in Greenville, South Carolina, wonders: Why do we say four-oh-nine for the number 409 instead of four-zero-nine or four-aught-nine? What are the rules for saying either zero or oh or aught or ought to indicate that arithmetical symbol...