From dona.org: The word "doula" comes from the ancient Greek meaning "a woman who serves" and is now used to refer to a trained and experienced professional who provides continuous physical, emotional and informational support … see full wiki
"Illustrated representaiton of the Doula concept" posted by lyssachttr
Thanks! Actually, it's not mine - I just found it doing a google image search. I just looked again, and it appears to have come from this site: http://www.handmaidenbirth.com/default.php -- you may contact them to see what they say. Good luck!