In Reply to: Reading the tea leaves posted by ESC on September 10, 2010 at 13:28:
: : What is the origin of the expression "reading the tea leaves"?
: Tasseography (also known as tasseomancy or tassology) -- divination or fortune-telling method that interprets patterns in tea leaves, coffee grounds, or wine sediments. (Source: Wikipedia)
It's analogous with 'reading palms' and similar expressions.