id est

I learned something new today.  Jordan asked me what i.e. meant and I told him it meant 'for example'.  But he wanted to what the i and the e stood for.  So I googled it.  It is Latin for id est which means 'in other words'.

You can read more here if you are interested - http://ancienthistory.about.com/od/abbreviations/f/ievseg.htm