From Wikipedia on 10/13/12:
From Latin ēventus (“an event, occurrence”), from ēveniō (“to happen, to fall out, to come out”), from ē (“out of, from”), short form of ex, + veniō (“come”); see venture, and compare advent, convent, invent, etc., convene, evene, etc.
An occurrence; something that happens.
(physics) A point in spacetime having three spatial coordinates and one temporal coordinate
(computing) A possible action that the user can perform that is monitored by an application or the operating system (event listener). When an event occurs an event handler is called which performs a specific task.
(probability theory) A set of some of the possible outcomes; a subset of the sample space.
If is a random variable representing the toss of a six-sided die, then its sample space could be denoted as {1,2,3,4,5,6}.