It is from latin, in this video from Scott Nicholson, there is a man that explains how it is pronounced.
http://www.youtube.com/watch?v=hwPgWjzx-Cc
Many pronouce it like you do coca cola... which is wrong...
http://www.youtube.com/watch?v=hwPgWjzx-Cc
Many pronouce it like you do coca cola... which is wrong...