Today's word for the day comes from our fine compatriots in France:
bouleversement \bool-vair-suh-MAWN\ , noun:
Complete overthrow; a reversal; a turning upside down.
Bouleversement, as I said, comes from the Old French bouleverser, "to overturn," from boule, "ball" (from Latin bulla) + verser, "to overturn" (from Latin versare, from vertere, "to turn").
It requires a complete bouleversement in your whole attitude, a process of adjustment that anyone who's been in this position understands; but you need to go through it.
-- "Two years' hard Labour", Independent, July 13, 1996